The word melodic gets thrown around a lot when talking about bass-lines. I always here that term when someone refers to a metal bassist. Its not so much that i dislike melody but why does that become the criteria for judging metal bass players. For example, I saw an interview with the creator of Metalocalypse (terrific show) Brenden Small (or Brandon) and he was talkin-up his new bass player for the Dethklok band. He talked about how they met at Berklee and constantly described his bass playin' as "melodic" and couldn't come up with any other descriptive words despite obviously trying (you would have to see the interview). So your telling me this guy studied at one of the most well-known music colleges in the world and couldn't come up with any other musical terminology to describe the bass player. I guess this also illustrates that you can "buy a degree" and never actually learn anything.