You do not need a $1,000 UltraPak to get world-class accompaniment. By focusing on the ecosystem—specifically the PG Music Bonus packs, the User Forums, and the MIDI Import trick—you can build a massive, professional library of backing tracks for zero dollars.
Open Band-in-a-Box right now. Check your "Bonus" folder. Then, open a browser window, go to the PG Music "User Showcase," and start scrolling. Your next great song arrangement is only a free style download away. Band-in A Box Styles Free Download BETTER