Led Zeppelin

 And here's the complete Led Zep collection.

The four drawings are all in different styles but work well as a set.  Four different colour backgrounds, heads all pointed inwards, the two with hard black edges diagonally opposite each other.  There are two recent pictures and two from the band's heyday, which provides a bit of variety, and both pairs are in opposite corners.  All with their props, making their roles in the band pretty clear.

Likeness-wise, although none of the four are perfect, they're instantly recognisable as Led Zep when they're all put together like this.

This is up for sale.  I may have to order a frame on line, so delivery times for the framed collection won't be super quick.