River: The Joni Letters

River: The Joni Letters
Studio album by Herbie Hancock
Released	September 25, 2007 (2007-09-25)
Recorded	2006–2007
Studio	Avatar, New York City Ocean Way, Los Angeles 600 ft, Yorkshire NJP Tonstudio, Zürich
Genre	Jazz
Length	67:49
Label	Verve
Producer	Herbie Hancock, Larry Klein
Herbie Hancock chronology
Possibilities (2005) River: The Joni Letters (2007) The Imagine Project (2010)

River: The Joni Letters is the fortieth studio album by American jazz pianist Herbie Hancock, released on September 25, 2007, by Verve. It is a tribute album featuring cover songs of music written by Canadian singer-songwriter Joni Mitchell.

The album peaked at number five on the US Billboard 200, enjoying a huge post-Grammy winning sales boost. Upon its release, River: The Joni Letters received generally positive reviews from critics and earned several accolades, including Grammy Awards for Album of the Year and Best Contemporary Jazz Album at the 50th Annual Grammy Awards. Hancock's quintet for the album are saxophonist Wayne Shorter, guitarist Lionel Loueke, bassist Dave Holland and drummer Vinnie Colaiuta.