His style escapes simple genre classification, and the guitarist's music pits funky, spitfire lyricism against slide guitar and "open-tuning" riffs.

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Among them was the Robert Johnson classic "Walking Blues, " with Raitt on slide guitar and bluesman Junior Wells on harmonica.

NPR: Bonnie Raitt: 'Souls Alike'

Once again featuring vocals by Subthunk singer Lisa Moore, the song is an infectious combination of slide guitar, synth and funky beats.

NPR: Ant Neely: 'Scratch Redux'

Cooder doesn't really need to sing all the time, because his slide guitar has the wondrous ability to say more than words can.

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Now, nearly 35 years later, Raitt is still moaning the blues and playing her trademark slide guitar, which is heard on her latest album, Souls Alike.

NPR: Bonnie Raitt: 'Souls Alike'

Don and I were working with Bob Dylan on his Under the Red Sky album at that time, and he'd brought this slide guitar-playing pal of his, George Harrison, into the studio to play a few licks one day.

NPR: An '80s Story Dripping with Name-Dropping

Ron Wood added slide guitar.

NPR: The Stones Defiant: 'A Bigger Bang'

Slim cut his first single, Scufflin, in 1966 and became a Chicago blues fixture in his own right, developing a guitar style that blended a distinct vibrato with a slide-guitar-like sound formed with his bare fingers against the strings.

BBC: Magic Slim, American blues musician, dies aged 75