Buddy Guy tunes a guitar Posted 2:10 PM, October 17, 2013, by Dave Marzullo EmailTwitterFacebookGoogleRedditPinterest × Buddy Guy tunes a guitar Watch a master at work. Pete McMurray asked Chicago Blues legend Buddy Guy to play an out-of-tune guitar. Mr. Guy asked for a few seconds to tune it himself. Here is a look behind the scenes of The Pete McMurray Show.