Lyubomir Pipkov: Music (Sound)1959-08-31

Lyubomir Pipkov: Music (Sound)1960-02-01

Lyubomir Pipkov: Music (Sound)1962-02-19

Lyubomir Pipkov: Music (Sound)1963-03-23

Lyubomir Pipkov: Music (Sound)1951-02-19

Lyubomir Pipkov: Music (Sound)1954-04-26

Lyubomir Pipkov: Music (Sound)1957-03-04