Soundtrack Loops tells us that R&B Acoustic - Bass and Guitar Loops is a set of 33 mini song kits each with three parts; bass, rhythm guitar, and lead guitar. They say that, although the emphasis is on 'acoustic' instruments there are electric instruments in there as well. In this pack you'll get upright bass loops, electric bass loops, r&b acoustic guitar loops, and electric guitar rhythms.
Pricing and Availability:
Eurorack module puts General MIDI sound set under creative CV control