Crossword Puzzle ... about talking nonsense?

Clue: ... about talking nonsense?

One talking nonsense (PRATTLER with 8 letters)
Talking organ (TONGUE with 6 letters)
''Talking in Your Sleep'' singer (CRYSTALGAYLE with 12 letters)
Prone to talking back (MOUTHY with 6 letters)
Talking toy (CHATTYCATHY with 11 letters)
1984 Talking Heads film hailed as "one of the greatest rock movies ever made" (STOPMAKINGSENSE with 15 letters)
Talking dog of cartoons (ASTRO with 5 letters)
No-nonsense arbiter (JUDGEJUDY with 9 letters)
Improvises nonsense syllables (SCATS with 5 letters)
Nonsense syllables in a 1965 song title (SHALALA with 7 letters)