India, July 23 -- Former Hole and Smashing Pumpkins bassist Melissa Auf der Maur has announced her first new album in 16 years.

Bass Womb Room: My '90s 4-Track Demos x Field Recordings, consisting of 15 unreleased demos from the 1990s and interludes created for her upcoming book exhibition, will be released on September 4 via Envision Records.

The songs were recorded by Auf der Maur on her 4-track tape recorder alone in her apartment, and experimental recordings captured on tour. The album was produced by Melissa Auf der Maur and Alex Crow.

The Bass Womb Room album is an interaction between the ambient but noisy, Bass Womb Room museum installation score, and the seven '90's demo song recordings made by the girl who took the photos in the...