Marley's guitarist played reggae guitar on Jah work (The Will To Live, 1997) — "He played with a 12-string Guild and a Gibson sunburst LG-2". He also played guitar on the break in Faded.

"I Want to Be Ready" - Ben Harper Plays in Praise of Jah
Jas Obrecht - September 1997 - www.guitarplayer.com
Guitar Player : Did you play the nylon-string break in Faded?
Ben Harper : "That's Al Anderson, Marley's guitarist from Natty Dread on. He's also on Jah Work, playing a small-bodied Guild 12-string and a sunburst Gibson HG-2. He's a wealth of reggae music knowledge. He took it another step from Ernest Ranglin and brought blues into reggae. I don't play skank. I don't play reggae guitar. Al had been coming to shows, and I thought, "Who better to play on Jah Work than Bob Marley's guitar player?" He heard the song once, went in and dropped it. He's a genius. And while he played that blues breakdown on Faded on a $90 nylon-string Prelude, I played a Turkish saz that sounds like a 12-string."

Al Anderson also played lead guitar on the reggae song With My Own Two Hands (Diamonds On The Inside, 2003).

Celebrating Imperfection
Ben Harper Keeps It Raw - Andy Ellis - www.guitarplayer.com
Ben Harper : "Al Anderson from the Wailers — one of my top five favorite guitarists in the world — played the solo in With My Own Two Hands on a Strat through a Fender Deluxe. I’m skanking on a Gibson Les Paul Junior. Al played guitar with Marley — starting on Natty Dread — and he taught me that rhythm style."