CSS music, a Los Angeles-based royalty free music library, has upgraded its entire collection of music tracks for the film, video, television and digital media industry to a superior quality .mp3 320 kbs file format. All 12,000 tracks on CSS music's website are now available for digital download in this new file format in addition to .WAV files at 44.1/48khz and .MP4 (AAC) files. 2 Bulk download Plans save users from 35-90%. Playlist tool is available for unlimited playlist generation.