Possible Clues:

• Many an expert's way to cut circulation of current papers
• Graduate tires out-of-sorts Italian masters
• Experts filling shirt seams up
• Conductors from West maybe on second short tour
• Term is a problem for conductors
• A term is concocted for expert players
• More than one conductor's no good in jazzy ragtimes
• Aces concealed in shirt seams put back
• Remit as difficult for great composers
• West Street Providence, say, for brilliant performers