Do I Hear a Waltz?

When were these written?

• Cat's sound? Cat's sound, for some reason (7)
• "Day on the weekend is (yuck!) low grade" ...happy? (9)
• Develop my spinning wheel on two-person trip? (9)
• Guess is not reinterpreted over good ideas (11)
• Lead’s dialogue is front page news! (9)
• Non-waterproof coating for tent is significant (10)
• Primary accounts describe beheaded noble lots and lots (9)
• Soft, quick utterance is entirely timely, to start with (5)
• Strange devotee with a quirk taking a test contrarily in Alabama (11)
• "Threads", say, travel OK! (7)
• Trying to obtain information hiding in ending (9)