Jag Gan (from jag, awake + gan, song) a kind of folk song sung by a group usually throughout the night, praising the divine grace of saints or deities. In some places it is also called jagaran gan (sleepless song) and asan gan (sitting song). A jag gan group consists of a main singer and his chorus. This genre of song is common to both Hindu and Muslim communities in pabna, rajshahi, bogra, rangpur, faridpur and narail as well as in some parts of west bengal.

Women also take part in jag gan. When someone is ill, Hindu women in Narail recite the names of goddesses all night long, hoping that this will relieve the sick family member. This song is called vrnda gan (group song) as well. About 25-30 girls generally take part in it. Jag gan are usually composed and sung on Manik Pir, Sona Pir, radha and krishna, Nimai Sannyas etc. [Momen Chowdhury]