HR Giger: N.Y. City XXII (work 472) (1981) references The Tucana singers - Battlestar Galactica concept art by Ralph McQuarrie

leading from

HR Giger's N.Y. City XXII (work472) (1981)

and

Concept art for Battlestar Galactica by Ralph McQuarrie

  

a) HR Giger: N.Y. City XXII  (work 472) (1981)

HR Giger's N.Y. City XXII (work472) (1981)

b) The Tucana singers - concept art by Ralph McQuarrie for Battlestar Galactica (released 1978)

I thought about how some aspects of this painting matched up with elements of Giger's painting, but then looking at the fact that I saw how I had noticed a while back that he seemed to have referenced a Boney M photograph from the Radio Times, and so I think that he must have decided that the Tucan singers and their musician resembled the pop music band Boney M who were immensely popular in England when he was working on Alien. (See: References a photograph of the band Boney M in the Radio Times from 1978 ?)

c)  Comparable area.

The general three singles together together translate as a shape that looks roughly like an inverted human heart and the space between the middle and right ones legs become the lobe like forms  with the far left with seems to become the bend in the large leg like structure on the left of the complete painting.

d) Comparable areas

A wave contributes to the idea of a strange limb like form

e) Comparable areas

The dark blue area with purple bands around the top around the musician becomes an indescribable biological shape with horizontal piping running across it, and the drums becomes the part extending from beneath

f) Comparable areas

The underside of a platform with ribbing become the ribbing pattern of the lower right of the painting