Reference

Brian Wilson's solo album, Brian Wilson, is characterized by several distinctive instruments and techniques. Here are some of the key aspects:

Instruments

1. Piano and Keyboards: Brian Wilson often plays these himself, providing a foundation for the tracks.
2. Synthesizers: Heavily used to create rich, orchestrated sounds.
3. Guitar, Bass, Drums, and Percussion: Standard rock instrumentation, which Wilson can also play.

Techniques

1. Wall of Sound: Inspired by Phil Spector, this technique involves dense, layered arrangements and vocal harmonies.
2. Multi-Tracking: Extensive use of multi-tracking to layer instruments and vocals.
3. Unconventional Instruments: Includes electro-theremin, harpsichords, bicycle bells, and other non-traditional sounds.
4. Echo and Reverberation: Used to add depth and atmosphere to the recordings.

For more details, you can refer to the Wikipedia page of Brian Wilson's album.