Play-Along CD for Drummers This CD-ROM offers 20 different bass lines and a click track. Every drummer knows how important it is to be able to lock in with the bass player. Well now you can finally work on this skill over and over at your own pace. This CD-ROM allows you to be as creative as you can and develop your own style while playing deep inside the pocket. These are real bass players to jam with, top session guys playing electric and upright grooves in funk, rock, shuffle blues, swing, fast bop, and Latin styles. CD-ROM.