I'm very interested in this topic. As some have mentioned, it seems impossible to me at this point (just starting out with vocals - I guess it would help if I could sing better to start with... 
Regarding the tip about knowing you bass parts "cold" so that you don't have to think about them and can play them "mechanically", that certainly makes sense, but neither of those terms seem synonymous with "groove". Do those that do this feel that they sacrifice anything in their bass playing to be able to sing and play at the same time?
Regarding the tip about knowing you bass parts "cold" so that you don't have to think about them and can play them "mechanically", that certainly makes sense, but neither of those terms seem synonymous with "groove". Do those that do this feel that they sacrifice anything in their bass playing to be able to sing and play at the same time?
