Vinyl LP pressing. BGM is the fourth studio album by Yellow Magic Orchestra, released on March 21, 1981. The title stands for "background music". This album was produced by Haruomi Hosono. Recording started on January 15, 1981, in an effort to release the album by March 21, 1981. YMO was the first band to use the Roland TR-808 Rhythm Composer, one of the first programmable drum machines, as early as 1980. This was their first studio album recorded with the Roland MC-4 Microcomposer and TR-808.