Pandit Kumar Gandharva was a rare genius in the field of Hindusthani (i.e. north Indian) classical music.
Here are two nirguni bhajans by Kumar Gandharva, i.e. devotional songs to the One beyond deities.
Bina Satguru: “without the True Teacher life is not worth living”
Ram niranjan nyara re: "Oh how wonderful is flawless Rama"