I'm in a rock/blues band and have been thinking about moving from 4 to 5 strings. I have not seen other bassists, in my genre, play five strings, but I'm sure I must be missing well-known bassists. Names would be much appreciated. I feel that I just can't go as deep as I want to. Sometimes I hum a bass line in my head only to find out later that my fifth fret D is just not deep enough to make it come to life. Basically, I am wondering about the practical application of a 5 string bass in the midst of a southern-muddy-swamp type of sound. Again names of bassists that fit this description would be great.