B.T.R. is one of the most successful and popular Bulgarian rock bands. Founded by schoolmates in the period 1984 – 1986, its recording activity started in 1991. The band has been on tour many times nationally and abroad. In the last years it has performed live and also has recorded with John Lawton from the legendary Uriah Heep and with Glenn Hughes
from Deep Purple.
The long-termed friendship of the actor Hristo Mutafchiev with musicians from B.T.R. excited them to the idea for jointly shows. The concert-happening includes hits from various genres and countries.