Possible Clues:

• Not beginning to play the guitar, boy musician
• Musician's funny Christian rock after tango
• One playing with brass elephant, perhaps
• Swan, perhaps, or elephant
• Player of tango — odd chap
• Musician perhaps a boastful person?
• Musician in bad temper following tense game
• Louis Armstrong, e.g.
• Musician, odd chap associated with tango
• Musician's temper aroused after start-up at intervals