Petr_slavov_i_daniel_iordanov_s_orkbiseri_i_pri...

: Often involved in the video production of their performances.

: A primary distributor for their official music videos. petr_slavov_i_daniel_iordanov_s_orkbiseri_i_pri...

: One of their most popular collaborations, often performed with Orkestar Biseri and frequently aired on Bulgarian folk music channels like Tiankov TV . : Often involved in the video production of

The specific phrases you provided are likely titles of popular music videos and tracks available on platforms like YouTube . Key tracks include: petr_slavov_i_daniel_iordanov_s_orkbiseri_i_pri...