This is not the place for a ton of different pitches — none of that funk chromaticism. In some tracks, the 808 might only play two notes, and they’re both likely roots. Stick to a range of about an octave maximum.
Speaking of research, since artists love to talk about themselves, it’s often quite easy to find out who influenced your favorite singers! A quick search will often turn up a comprehensive list. For example: if you’re particularly into Bob Dylan, you might benefit from reading Ginsberg, Rimbaud, and Kerouac, or listening to Woody Guthrie.