Liquid Acrobat as Regards the Air is the ninth album by the Incredible String Band.

It features Mike Heron, Robin Williamson, Licorice McKechnie and Malcolm Le Maistre.

[1] This was also the first album without Rose Simpson who was going to become a sound engineer, but started a family instead.

Gerry Conway, a drummer of Fairport Convention appears on the album.

"Darling Belle", the track Williamson said "came to me in a dream", is composed of three-way vocals and spoken-word.