Possible Clues:

• Stage that's spoken about during round trip
• Following a path around a heavenly body
• It's said about part of bypass
• Man mounting musical for all to see in middle of week
• (Of road) skirting town
• Circular, like the M25
• There''s somethng about the course, just a bit, in a manner of speaking
• Of course it's alternatively part of a pound
• Of course it's going 22 across
• Getting around to a piece in a manner of speaking