1) Chirp 2) Dum or dee 3) Entice by music 4) Entice with music 5) Lure using music 6) Lure with music 7) Sing 8) Sing in modulation 9) Sing shrilly 10) To allure 11) To coax 12) To handle lightly 13) To twiddle 14) To twist 
• (v. t.) To handle lightly; -- said with reference to awkward fiddling; hence, to influence as if by fiddling; to coax; to allure. • (v. t.) To twist.
[v] - sing in modulation 2. [v] - play negligently on a musical instrument 3. [v] - entice through the use of music
verb sing in modulation