While no single "official" link hosts all 13,000 in one place due to copyright complexities, you can find the primary components of this collection through these established community sources: The Big Archives
If you print these out to hand to a pianist or bassist, they will look like a computer printout, not a published piece of sheet music. It lacks the polished layout of a Hal Leonard book. band in a box real books 13000 tunes link
The 13,000 tune collection often uses standard MIDI (which sounds like a Nintendo). To get the "studio musician" sound, ensure you have RealTracks installed. The software will automatically swap MIDI parts for audio recordings of real sax, guitar, and drums if you own the RealTracks sets. While no single "official" link hosts all 13,000
Rather than chasing a risky download link, consider these sources: To get the "studio musician" sound, ensure you