The 5 String Bass Guitar: mode system concept, Volume 1: major modes - Kindle edition by Dragoumis, Petros. Arts & Photography Kindle eBooks @ Amazon.com.
Amazon.com: Ibanez GSR205SMCNB 5-String Electric Bass Charcoal Brown Spalted Maple Top w/ Gig Bag and Stand : Musical Instruments
Amazon.com: Sterling by Music Man 5 String Bass Guitar, Right, Daphne Blue (RAY35HH-DBL-M2) : Musical Instruments
4 String Bass vs 5 String Bass - Which Guitar to Choose and Why? - Guitar Space
Amazon.com: Sterling by Music Man 5 String Bass Guitar, Right, Lake Blue Metallic (RAY5HH-LBM-R1) : Musical Instruments