Band-in-a-Box UltraPAK is an intelligent automatic accompaniment program. You can hear and play along to many song ideas and go from "nothing" to "something" in a very short period of time with Band-in-a-Box as your "on demand" backup band. Just type in the chords for any song using standard chord symbols (like C, Fm7 or C13b9), choose the style you'd like, and Band-in-a-Box does the rest! Band-in-a-Box automatically generates a complete professional quality arrangement of piano, bass, drums, guitar and strings in a wide variety of styles. With great features like the Audio Chord Wizard and RealDrums, the fun never stops! Includes Styles Sets 0-68, Soloist Sets 1-20, Melodist Sets 1-8, RealDrums 1-10, all of the 101 Riffs and Phrases series, all of the Fakebooks, all of the Master Solos series, 50 Country Guitar Solos, 200 Folk songs, CopyMe, Duets, and the Video Tutorial PAK.