Listen to 149.74 Hz Geomagnetic Field online. 149.74 Hz Geomagnetic Field is an Instrumental language song and is sung by Extraordinary States. 149.74 Hz Geomagnetic Field, from the album 149.74 Hz Geomagnetic Field, was released in the year 2024. The duration of the song is 2:00:00. Download Instrumental songs online from JioSaavn.