These are currently the top 10 best-selling fretless bass guitars at Musicians Friend. Squier by Fender Vintage Modified Fretless Jazz Bass Guitar Steinberger Synapse XS-15FPA 5-String Fretless Bass Guitar Fender Standard Fretless Jazz Bass Guitar Rogue LX200BF Series II Fretless Bass Guitar Fender American Standard Fretless Jazz Bass Guitar Fender Jaco Pastorius Fretless Jazz Bass [...]