Across
Hot air's circulating to plug musical release (9)
Fronts for thieving racketeers announce massive price hike (5)
Perhaps seventh word in a limerick's too long for it (7)
See 1 Down
Christmas visitor possibly taking other end of weighty decoration (5)
Lad very embarrassed to admit papa's promised money (9)
Making a certain sound when stealing away (10)
Old men up for dancing with yours truly, Methuselah? (3,2,5)
Masculine decoration catching zip has gotta hurt (9)
Lioness grabs tail of unlucky antelope (5)
Tory leader fills political address with extremely nebulous ideas (7)
Observe silicon and another element at work (3,2,2)
Country torn asunder without old monarch (5)
Token of affection almost returned, but interrupted by fish and chips? (4,5)
Down
10a
(and 10 Across) Muppet CEO Kermit soon replaced (6,7)
After tango, snubbed stranger's left in lurch (6)
Some irritating sound in my earhole? That does it! (6)
21d
(and 21 Down) Character who looms large in a seminar's novel reading? (5,6)
Beset by problems, I lob my soup over some art (9)
North African vessel sits in Arno now and then (8)
Rock in more expansive bit of space always losing velocity (8)
Showing off, dropping name in front of male model (8)
One text contains just over a hundred mistakes (9)
Submariner beginning to navigate through twisted ocean plants (8)
One got on ... or came down? (8)
Massage on vacation limited personal crisis (8)
During goalless game, reduced team's rolling with punches (3-3)
Semi-retired US prison boss given notice (6)
See 4 Down
Relaxed, or wound up, blowing top (5)
Type letters or click words in the clue