Kayno Yesno Slonce is a Bulgarian Ethnoambient band formed in 2003. Though tending to reach beyond mainstream culture and at some points acting as a counter to it and to commercial success, Kayno Yesno Slonce's music was praised at several occasions by some of the most popular Bulgarian newspapers.

The band's current line-up comprises Veselin Mitev (lead vocals, bagpipe, kaval, duduk), Stanislav Stoyanov “Toni Horo” (tupan, zarb, percussion), Peter Delchev (tambura, hang), Evgeni Chakalov (flutes, tambura), Alexey Cvetanov (wavedrum, percussion), Yulia Uzunova (synthesizers, glockenspiel) and Alexandra Shkodrova (gadulka).

Guest musicians of the band vary but included in the past: Pavel Terziiski (vocal), Vlado Chivlidjanov (duduk, bagpipe), Kalin Yordanov (vocals, daf, bendir, darbouka) and Shtoni Kokudev (bagpipe, typan), Tsvetan Hadjiiski (vocals and bagpipe, from the Bulgarian band Smallman) among others.