Jerry Garcia

The late great Jerry Garcia of Californian experimental psych-rockers The Grateful Dead would have been 75 this week. To mark his birthday, luthier Thomas Lieber has created the Ocean guitar, a sustainably crafted instrument that's completely free of plastic.

Vintage guitars are now a viable investment. Our list of the most valuable guitars ever sold shows the key factor is the significance of the instrument in musical history, with guitars formerly played by Clapton, Hendrix, and the guitar–playing Beatles dominating the listings.​