1. 
   BGM
   BackGround Music --- the music from an anime soundtrack. Soundtrack CDs are popular merchandise items.
   Found op http://www.ryouko.demon.co.uk/ANIGLOSS.HTM
   
   
2. 
   BGM
   Designation system for missiles [US]
   Found op http://www.jedsite.info/index.html
   
   
3. 
   BGM
   [album] ==Overview== Alfa Records, YMO’s record company, had installed a 3M 32-track digital recorder in its studio shortly before YMO started recording BGM. Hosono, however, was not fond of its overly sharp sound quality. As a solution, he recorded all the rhythm sections on a TEAC/TASCAM...
   Found op http://en.wikipedia.org/wiki/BGM_(album)
   
   
4. 
   BGM
   Short for "Background Music." This is the music played in the background of an anime. Unlike music in most Western animation, the BGM in anime can be very sophisticated and can stand alone on its artistic merits. Some of Japan's most talented composers, performers, and singers have created music for...
   Found op http://www.theblackmoon.com/Gloss/agloss.html
   
   
5. 
   BGM
   Background music
   Found op http://www.bellaonline.com/articles/art9842.html
   
   
6. 
   BGM
   stands for "background music." This refers to the background music of an anime TV series, video game, or movie. They're usually fairly common and popular tracks among many anime soundtrack CDs.
   Found op http://hubpages.com/hub/Anime-Dictionary
   
   

Tip: double click on a word to show its meaning.