Songs are usually performed by women, and the sound is strong and focused.
Singers make each performance unique by varying the musical ornamentation when they sing.
The rhythms of Bulgarian music are very complex. Bulgarians have songs for weddings, harvesting, and grape-picking, as well as for Christmas and Easter. Some songs are sung as solos, but groups of singers may sing in harmony, or even sing two different songs at the same time. Recordings of the Women's Choir of RTV Bulgaria are sold around the world. B ulgarian folk costumes are elaborately decorated.