Playlists featuring David Helpling

The Thing About Noise Calm Music

90 songs (1993–2018)

Shepard Audio Relaxation Music

140 songs (2005–2018)

The Thing About Noise Zen

95 songs (1982–2018)

Sonic Pirates リラックス

146 songs (2005–2018)

The Thing About Noise Easy Listening

86 songs (2000–2018)

Shepard Audio Sleep Playlist

101 songs (1986–2018)