With OR, you get songs matching at least one criteria chosen. With AND, if the only one parameter does not match, a song will not be shown.
In this library you can download qualitative custom backing tracks for bass.
Only with multitrack listener can comprehend clear all the details of a certain part. That is why bass multitracks are so useful for beginner bassists.
Format: Multitrack (Stems/Isolated)9 channels: Metronome, Drum Kit, Bass, Electric Guitar (left), Electric Guitar (right), Backing Vocals, Lead Vocal (ad lib), Lead Vocal John Lennon, Lead Vocal Paul McCartney