| Artist | Rupert Hine |
| Title | Surface Tension |
| Tracklisting | |
| Origin / format |  UK, 1981 • 7" PS - A&M AMS 8126 |
| Description | demo copy - Side A is a remix of the album version from Immunity, with only verse 1 and 3, and an instrumental reprise of the chorus. Side B is an early version of the song later featured on Waving Not Drowning |
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