2018, 12 May: Participation of "ER.K.E.T.'s" and "Adontes en Chalkidi" Vocal Ensembles presented songs from "Dryopida Kythnos, Cyclades", in 8^th Festival of Vocal Ensembles in Traditional Music, at the Mikis Theodorakis amphitheatre in Holargos. Organized: Research Centre for Greek Singing [ER.K.E.T.].

2018, 12 May: Participation of "ER.K.E.T.'s" Rizitiko Vocal Ensemble presented songs from "Lefka Ori Chania, Crete", in 8^th Festival of Vocal Ensembles in Traditional Music, at the Mikis Theodorakis amphitheatre in Holargos. Organized: Research Centre for Greek Singing [ER.K.E.T.].

2017, 13 May: Finale in 7^th Festival of Vocal Ensembles in Traditional Music, at the Mikis Theodorakis amphitheatre in Holargos. Organized: Research Centre for Greek Singing [ER.K.E.T.].

2017, 13 May: Participation of "ER.K.E.T.'s" Vocal Ensemble presented songs from "Agiasos Lesvos", in 7^th Festival of Vocal Ensembles in Traditional Music, at the Mikis Theodorakis amphitheatre in Holargos. Organized: Research Centre for Greek Singing [ER.K.E.T.].

2017, 13 May: Participation of "Adontes en Chalkidi" Vocal Ensemble presented songs from "Zagori Ioannina, Epirus", in 7^th Festival of Vocal Ensembles in Traditional Music, at the Mikis Theodorakis amphitheatre in Holargos. Organized: Research Centre for Greek Singing [ER.K.E.T.].

2016, 14 May: Finale in 6^th Festival of Vocal Ensembles in Greek Traditional & Popular Music, at the Mikis Theodorakis amphitheatre in Holargos. Organized: Research Centre for Greek Singing [ER.K.E.T.].

2016, 14 May: Participation of "ER.K.E.T.'s" and "Adontes en Chalkidi" Vocal Ensembles, presented songs from "Constantinoupolis", in 6^th Festival of Vocal Ensembles in Greek Traditional & Popular Music, at the Mikis Theodorakis amphitheatre in Holargos. Organized: Research Centre for Greek Singing [ER.K.E.T.].

2015, 16 May: Finale in 5^rth Festival of Vocal Ensembles in Greek Traditional & Popular Music at the Mikis Theodorakis amphitheatre in Holargos. Organized: Research Centre for Greek Singing [ER.K.E.T.].

2015, 16 May: Participation of ER.K.E.T.'s Vocal Ensemble, presented songs from "Pogoni and Dropoli regions of Epirus", in 5^rth Festival of Vocal Ensembles in Greek Traditional & Popular Music at the Mikis Theodorakis amphitheatre in Holargos. Organized: Research Centre for Greek Singing [ER.K.E.T.].

2015, 16 May: Participation of "Adontes en Chalkidi" Vocal Ensemble, presented songs from "Lefkada Eptanison", in 5^rth Festival of Vocal Ensembles in Greek Traditional & Popular Music at the Mikis Theodorakis amphitheatre in Holargos. Organized: Research Centre for Greek Singing [ER.K.E.T.].

2015, 16 May: Participation of "Vakchae" Vocal Ensemble, presented songs from "Chionades Didymoteichou Evrou", in 5^rth Festival of Vocal Ensembles in Greek Traditional & Popular Music at the Mikis Theodorakis amphitheatre in Holargos. Organized: Research Centre for Greek Singing [ER.K.E.T.].

2014, 20 December: Music performance of "Adontes en Chalkidi" Vocal Ensemble with Byzantine Choir "Papa-Giorgis Rigas" under the title Panagias kat' Ichisis - anagnosis II [Virgin Mary’s cat’ Echism - 2^nd Perusal] in Mikis Theodorakis Amphitheatre in Holargos. Organized: Research Centre for Greek Singing [ER.K.E.T.].

2014, 9 August: Folk Songs from Vytina, Arcadia Sotirios I. Chianis book presentation, in Tryphon P. Thalassinos Foundation in Vytina. Organized: Tryphon P. Thalassinos Social & Cultural Foundation.

2014, 31 May: Finale in 4^rth Festival of Vocal Ensembles in Greek Traditional & Popular Music at the Mikis Theodorakis amphitheatre in Holargos. Organized: Research Centre for Greek Singing [ER.K.E.T.].

2014, 31 May: Participation of Traditional Singing's ER.K.E.T. Vocal Ensemble, presented songs from "Mastichochoria Chios in 4^rth Festival of Vocal Ensembles in Greek Traditional & Popular Music at the Mikis Theodorakis amphitheatre in Holargos. Organized: Research Centre for Greek Singing [ER.K.E.T.].

2014, 31 May: Participation of "Adontes en Chalkidi" Vocal Ensemble, presented songs from "Dadi Amfikleias", in 4^rth Festival of Vocal Ensembles in Greek Traditional & Popular Music at the Mikis Theodorakis amphitheatre in Holargos. Organized: Research Centre for Greek Singing [ER.K.E.T.].

2013, 23 November: Music performance of ER.K.E.T.'s Vocal Ensemble with Byzantine Choir "Ainountes" under the title Panagias kat' Hchisis - anagnosis I [Virgin Mary’s cat’ Echism - 1st Perusal], in Mikis Theodorakis Amphitheatre in Holargos. Organized: Research Centre for Greek Singing [ER.K.E.T.].

2013, 07 September: Participation of ER.K.E.T.'s and "Adontes en Chalkidi" Vocal Ensembles in 4^rth Traditional Music & Dancing Festival in Patmos at Open Theatre in Chora Patmou. Organized: Patmos Municipality & X.O.N.F.P..

2013, 18 May: Finale in 3^rd Festival of Vocal Ensembles in Greek Traditional & Popular Music at the Mikis Theodorakis amphitheatre in Holargos. Organized: Research Centre for Greek Singing [ER.K.E.T.].

2013, 18 May: Participation of Traditional Singing's L.t.E. of Halkis Vocal Ensemble, presented songs from "Kymi Evoias", in 3^rd Festival of Vocal Ensembles in Greek Traditional & Popular Music at the Mikis Theodorakis amphitheatre in Holargos. Organized: Research Centre for Greek Singing [ER.K.E.T.].

2013, 18 May: Participation of Traditional Singing's ER.K.E.T. Vocal Ensemble, presented songs from "Sinassos Kappadokia in 3^rd Festival of Vocal Ensembles in Greek Traditional & Popular Music at the Mikis Theodorakis amphitheatre in Holargos. Organized: Research Centre for Greek Singing [ER.K.E.T.].

2012, 02 July: Participation of ER.K.E.T.'s Polyphonic Ensemble "Oi Kerantzides" in 2^nd Meeting of Polyphonic Ensembles & Voices at Dora Stratou Theater in Filopappou. Organized: Greek Dances Theater of Dora Stratou.

2012, 09 Juny: Participation of ER.K.E.T.'s Polyphonic Ensemble "Oi Kerantzides" in Fest of Polyphonic Singing 2012 at Petra's Theater in Petroupoli. Organized: Cultural Union "Apeiros".

2012, 12 May: Finale in 2^nd Festival of Vocal Ensembles in Greek Traditional & Popular Music at the Mikis Theodorakis amphitheatre in Holargos. Organized: Research Centre for Greek Singing [ER.K.E.T.].

2012, 12 May: Participation of Traditional Singing's L.t.E. of Halkis Vocal Ensemble, presented songs from "Konitsa Ioanninon", in 2^nd Festival of Vocal Ensembles in Greek Traditional & Popular Music at the Mikis Theodorakis amphitheatre in Holargos. Organized: Research Centre for Greek Singing [ER.K.E.T.].

2012, 12 May: Participation of Traditional Singing's ER.K.E.T. Vocal Ensemble, presented songs from "Corfu Eptanisa" in 2^nd Festival of Vocal Ensembles in Greek Traditional & Popular Music at the Mikis Theodorakis amphitheatre in Holargos. Organized: Research Centre for Greek Singing [ER.K.E.T.].

2011, 1 June: Participation of members of ER.K.E.T.'s Vocal Ensemble, to the Doste tou chorou ki as paei... [Let’s dance...] presentation and to TV show "10 me 1" - ΑΝΤ1 Channel, for the presentetion's promotion.

presentation

tv-promotion

2010, 11 December: Participation "Mi Cheiron" Vocal Ensemble, presented songs from "Kalymnos" in 1^st Festival of Vocal Ensembles in Greek Traditional & Popular Music at the Mikis Theodorakis amphitheatre in Holargos. Organized: Research Centre for Greek Singing [ER.K.E.T.] & Cultural Centre of Holargos Municipality.

2010, 11 December: Participation of Traditional Singing's ER.K.E.T. Vocal Ensemble, presented songs from "Volakas Drama" in 1^st Festival of Vocal Ensembles in Greek Traditional & Popular Music at the Mikis Theodorakis amphitheatre in Holargos. Organized: Research Centre for Greek Singing [ER.K.E.T.] & Cultural Centre of Holargos Municipality.

2010, 25 April: Music/drama performance of the Music department of the Halkis Greek Ladies Lyceum under the title ana-gennisis, i to nekriko taksidi tou iliou sta nera tis selinis mechri na gennithei xana [Re-birthing or the dying journey of the sun in the water of the moon until it is born again], under the artistic direction of Konstantinos Dellas, at the Papademetriou theatre in Halkis.

2009, 23 January: A music / drama presentation of the Athens Greek Ladies’ Lyceum on the theme of Eptanisa (the seven islands in the Ionian Sea), under the artistic direction of Giorgos Kotsos in the reception hall of Hotel Grande Bretagne.

2008, 30 December: Participation of Youth Vocal Ensemble from Lyceum Club of Greek Women Athens, to the TV show "Echei Gousto" - ΝΕΤ Channel, with Traditional New Year Carols from Archaggelos, Rodes.

2008, 18 July: Performance of the Athens Lyceum Club of Greek Women as part of the Athens Festival under the title Talanton, tympanon kai choron egkomion [tribute to talent, dance and timpani], artistic direction by Lefteris Drandakis, general musical direction of Giorgos Papadakis, in the Herod Atticus Odeon.

2008, 25 May: Music / drama performance of the local music department of L.t.E. in Holargos and "Mi Cheiron" Vocal Ensemble under the title [gen. of a woman and a woman’s] [of a woman and a woman’s], directed by Konstantinos Dellas at the Mikis Theodorakis amphitheatre in Holargos.

2007, 8-9 June: Performance of the music department of the Athens Lyceum Club of Greek Women under the title Vassilis Tsitsanis, artistic direction by Michalis Klapakis at the Technopolis, Gazi venue.