gitaih
gītaiḥ — and by singing; SB 8.16.57
nṛtya-vāditra-gītaiḥ ca — by dancing, playing various musical instruments, and singing songs; SB 8.21.6-7
gītaiḥ — by singing celestial songs; SB 10.12.34
kṛṣṇa-gītaiḥ — with the song sung by Lord Kṛṣṇa (the Bhagavad-gītā); SB 11.31.21