In Broad Rhymes (Guangyun), it is pronounced dong. In Collection of Rhymes (Jiyun), it is pronounced hong, with a pronunciation identical to the character dun. In Dictionary of Characters (Yupian), it is defined as talkative.
Furthermore, Broad Rhymes defines it as singing.
Furthermore, Broad Rhymes and Collection of Rhymes state it is pronounced nong, with a pronunciation identical to dong. The meaning is the same.
Furthermore, Collection of Rhymes states it is pronounced hong, with a pronunciation identical to hong. It refers to the sound of singing.
Furthermore, it is pronounced kong, with a pronunciation identical to dong. Singing in a loud voice is called dong.
Furthermore, Broad Rhymes and Collection of Rhymes state it is pronounced song, read as the departing tone of dun. Broad Rhymes defines it as loud.
Furthermore, Expanded Notes (Guangya) defines it as singing.
Furthermore, Collection of Rhymes and Categorized Dictionary (Leipian) state it is pronounced gong, with a pronunciation identical to hong. The meaning is the same.