Possible Clues:

• Way taken by one contemptible and old, going at medium speed
• In a medium tempo
• Trade sadly coming in low, not very lively?
• Examiner not right keeping speed within bounds
• Not rushed, on a score
• Slow to Sibelius
• Informer with form, to begin with, on one of the rounds is fairly slow
• Presiding minister deprived of final right? Not too quickly
• Piece of music on-line monitor cut short?
• English doormat unravelled with steady beating