Alok

"Alok" is a Sanskrit language word, it means "Light"

Aalok (Javanese for "shout") is a style of singing used in Javanese gamelan. It is generally performed by the gerong. It consists of short phrases (usually vowels) of indeterminate pitch, inserted especially at certain places in the colotomic structure of the piece.

Senggakan are similarly inserted into pieces, but generally consist of nonsense syllables and are sung in a specific melody. They are often used together with keplok.

Balinese kecak similarly uses nonsense syllables.

Aalok means "Light" in Hindi. In India Aalok is believed to be the outcome of Sun's great Energy. "Aalok" is also an synonym for enlightlment.