Keith "Tree" Barry, also known simply as Tree, is a multiinstrumentalist musician (saxophone, trumpet, viola, violin, harmonica, clarinet) from Los Angeles, United States. He has collaborated with Gov't Mule and Red Hot Chili Peppers, among others. His work with Red Hot Chili Peppers is extensive, having collaborated on several themes from the albums Mother's Milk and One Hot Minute, where he plays the saxophone, trumpet and violin. Also participated in the tour that the band realized during 1989 and 1990 to promote its album Mother's Milk. He is co-founder, along with Flea, of the Silverlake Conservatory of Music, a non-profit music conservatory, established in Los Angeles in 2001.
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