(Music Minus One). Performed by Ivajlo Djourov, bass-baritone Accompaniment: Orchestra of the Sofia National Opera Conductor: Nayden Todorov This collection of Bass-Baritone arias presents a wide variety from Mozart's greatest operas. Listen to master bass-baritone Ivajlo Djourov work his magic, then he stands aside so you can stand center stage with the world-famous Sofia Opera Orchestra Includes an expansive, newly engraved vocal score, printed on high-quality ivory paper; and a CD+G graphics-enabled compact disc with complete versions (with soloist) in digital stereo, followed by digital stereo orchestral accompaniments to each piece, minus the soloist.