Possible Clues:

• Bach or Beethoven
• Creative musician
• For example Britain, say, or Ireland scoring?
• A creator of music
• Eg, Arne, Bach, Chopin
• Creative type going from bar to bar?
• One such is enough to make a list, by the sound of it
• Weill, Weber or Webber
• He makes things up from notes
• Michael Haydn, brother of Joseph, is also an Austrian ___...