17 August 2017
Masterclass in the Hersbruck International Guitar Festival , Germany
20 June 2017
Solo concert and jury in the Guitar Foundation of America (GFA) , CA, USA
June 2017
Tour in USA ,solo and duo with Diego Barber (dates and places to be confirmed)
8-9 October
Plovdiv Guitar Festival, BulgariaConcert and Masterclasses
16-17 September
Take the A train Jazz Festival Salzburg, AustriaConcert with Miscelanea Guitar Quartet
15-17 September 2016
Take the a train - Jazz festival SalzburgConcert with Miscelanea Guitar Quartet
16 August 2016
Concert with the Miscelanea Guitar Quartet and premier of the new work by Ian Krouse dedicated to the Miscelanea Guitar Quartet, Hersbruck International Guitar Festival , Germany
20 July 2016
Solo Concert in Volos International Guitar Festival , Greece
11 June 2016
Interlab Festival SalzburgDuo perfromance with Sofia
20-23 March 2016
CD recording with music of Atanas Ourkouzounov with the Miscelanea Guitar Quartet
6-9 March 2016
Masterclass in Mallorca, Spain
28 February 2016
Concert with Miscelanea Guitar Quartet in Guenskirchen, Austria
November 2015
Concert in San Remo , Italy (date to be confirmed)
8-10 October 2015
Dance Festival in Portugal, Performance with Inma Marin (dancer)
2-10 September 2015
Tour in Creta (Heraklion, Chania, Rethymnon)
16-21 August 2015
Concert in Hersbruck Guitar Festival
29 June - 5 July 2015
Masterclasses in the "Synthermia " Contemporary Festival , Thessaloniki , Greece
23 June 2015
Solo Concert in Innsbruck
13-14 June 2015
Masterclass and concert in Musikschule Rosental , Klagenfurt, Austria
12 June 2015
Concert in the Interlab Festival in Salzburg Austria
6 June 2015
Benefit Concert with Miscelanea Guitar Quartet in Salzburg, Austria
1 February
Solo concert in Veria , Greece 
30 January
Solo concert in Thessaloniki, Greece
18-19.10 & 22-23.10
Tango Opera by A.Piazzolla "Maria De Buenos Aires"
Cooperation with Philarmonie Salzburg
Grosses Aula University Salzburg, Austria
24 October 2014
Solo Concert in "V Sevilla Guitar Competition", Sevilla, Spain
7-10 July 2014
Recording session with Miscelanea Guitar Quartet in Jazzit, Austria
4 July 2014
Benefit Concert (solo and MGQ)
Pfersaal , Salzburg, Austria
27 June 2014
Concert with Miscelanea Guitar QuartetJazzit, Salzburg, Austria
Boston GuitarFest USA
26 April 2014
Hallein Guitar Festival, Austria
21-22 February 2014
Concert and Masterclasses in Kavala State Conservatory , Greece
24-25 January 2014
Masterclasses and concert in UCMA Zaragoza, Spain
3 & 4 December 2013
"Hexen" - ArgeKultur Salzburg
June 2013
Casa dei Mezzo Music Festival in Makrigialos, Crete. Greece.
29 May 2013
Jazzit Salzburg, Austria
22 May 2013
Literaturhaus Festival. Große Aula. Salzburg, Austria
24 - 27 April 2013
Festival 4020. Linz Austria
Recording of the quartet´s new album.
(New Works of M.J. Elia, A. Ourzoukounov)
22 November 2012
Official Website of Hannabach presents Kostas as an Artist that uses their strings.
18 November 2012
Concert in Solitar Hall, Salzburg Austria
Music by Klaus Huber
9 November 2012
Opening concert in the '2er Vielsaiten Festival' Wels, Austria
13 and 23 September 2012
Concerts in Copenhagen, Denmark
Golden Days Festival.
26 August - 4 September 2012
Creta - Athens - Hydra
Concert Tour in Greece with the Miscelanea Guitar Quartet.
16 May 2011, Solitar Concert Hall Salzburg
CD Presentation Concert- 'Salzburg Cocenrt'
23 - 27 November 2011
Creta, Greece
Concerts with the Miscelanea Guitar Quartet
(waiting confirmation for exaxt days and places)
27 Oktober 2011
Huesca, Spain
Presentation Concert of the Miscelanea Guitar Quartet's CD under the recording label Arsis.
15 - 19 Oktober 2011
Palma de Mallorca, Spain
Masterclass and Concert in the Conservatori superior de les Illes Balears
6 Oktober 2011
Obendorf, Austria
Workshop and Concert
5 - 10 August 2011
Recording in ORF Vienna, Austria
Portrait CD of Marios Joannou Elias
Soloist:Kostas Tosidis
Chamber music ensemble and musicians:
Miscelanea Guitar Quartet
Yorgos Nousis,
George-Emmanuel Schneider
Ronny Wiesauer
Designed by Stefanos Michaelides
Photos by Aris Akritidis