Possible Clues:

• Tenor leading performers round Spain shut up in concert hall
• Church involved in something tacky gives request for silence
• Be silent (music)
• Silent musical direction
• "Be quiet," on a score
• ''Don't play,'' on a score
• Tenor and virtuoso from the first type of musical that's silent?
• Time after time, winning card one doesn't play
• Music direction to stop playing
• One's nothing to do with this instruction from scorer