GUITAR MUSIC: The S4S Music Platform, is a free connection of authors, musicians and singers who collaborate thanks to Soundcloud - Stefan Svetsky is in principle the main author of all songs and collaborated with Paul Kusy, Sennid, LadaT, Michaela Martykanova, Liliia Kysil, Karin-Maria Brunner, JULE, KOMA, Zion Red Dub, Deli Rowe, Deep Blue Cat, Klaudia Lewandowska, DUHAN, Stefan, Sona Ferencova, Jaro Mojzis,Kristina Horníkova, Lenka Hudacinova, Claudia Ferencova, Viktoria Fakova. Milan Hanecak, Eduard Koprna,

* The authors duo Stefan Svetsky and Pavol Kusy produced some radio hits with young singers.