Update git submodules

* Update docs/submodules/music.git from branch 'master'
  to 4cd2bc6c697bda26757aa41662c4c4f5b1b63eff
  - Merge "lowered some code smells"
  - lowered some code smells
    
    lowered some code smells
    
    Issue-ID: PORTAL-869
    Change-Id: Ia92c254b9fb9ddfe9db63889808eea07557c198a
    Signed-off-by: Indrijeet Kumar <indriku1@in.ibm.com>
    
1 file changed