Possible Clues:

• ''Tosca'' and ''Turandot''
• Some are grand, some are light
• Music hall presentations
• As rope makes parts in them for 11 down
• ''Macbeth'' and ''Otello''
• Work times for song
• Times for work and for show for 27 and 28 down
• Work with the Times is all for show
• Musical shows of Pesaro
• 'Norma' and 'Don Carlos'