Over time I had accumulated a pretty large loop library of about 15 CDs, but you can narrow down the collection you want to work with by, as advised above, screening some regular CDs first and making an initial decision on what style you want. THEN worry about sync'ing them into the video track. Moral of that story, in my opinion, is (1) review a bunch of music you like first, to find the mood you're looking for (2) roughtly match the tempo of an Acid project to the tempo you like (3) lay down rhythm, then bass (unless the music is more classical, or new-agey, etc.) and (4) layer on some loops until they feel right. Saved the projects as wav files, burned them onto a CD, took them to a post house (DuArt labs in NYC) to replace on the music track, and the professional engineer there (1) required no tweaking at all in syncing up the music, and (2) tapped his foot playing the music off the studio speakers! I had little old Acid Music 3.0, and used loops and a short recording of a friend on electric guitar, and composed three songs to replace the original music. Windows XP pro SP2 (Esp) Microsoft Windows XP.
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