Here’s a selection of backing tracks for bass & guitar for you to practice against.
With some scale sheets to get you started. Minor Scales | Major Scales.
Flex your pentatonic/ blues and Mixolydian muscles and see what riffs and solo phrases you can make!
Sure, D minor pentatonic/blues works fine. But what else you got?
And what key is it really in?
Try out chord progressions or ad-libs & solo techniques!
Use riffs and solos to create your own generic slice of modern pop.
Try out your rock and blues solos with G minor pentatonic / blues scales on this generic Stones/ZZ Top style riff.