There are at least four known bands named Heir:

1) Heir are a DIY-pop band from Leeds. Their organic songwriting, infectious rhythmical hooks and powerful vocal harmonies have propelled the five-piece to striking independent success. After hitting viral figures on Spotify with their debut single, ‘I’ll Pick You Up’ they have since performed at Reading and Leeds Festival, worked with producer Ken Scott (The Beatles, David Bowie) and launched their own collaborative arts night, ‘Blueprint’.

2) A late 1960s Psychedelic Funk Soul & Rock band from USA
Heir released just one album on Capitol Records in 1969 titled Pollution, With its freaky mash up off rock jazz funk blues and soul there likened to Blood Sweat & Tears. With both male and female vocals and a psychedelic spin on most of the seven songs on the album, It should interest most collectors of soul and psych alike.

After line up changes including adding Dobie Gray on vocals they re-emerge under the name Pollution, This band cut a further 2 albums "1971's S/T Pollution" and "1972's Pollution II".

3) A Hardcore punk from Auburn, CA.

4) An ambient music project from the UK. They released an album titled "Years" in December, 2015. It is a collaboration between Becky Green, a singer/songwriter based in Bath, UK, and Pete Coggan, a singer/songwriter based in London, UK. The record was crowdfunded on Kickstarter. Jack Kircher provided engineering & mixing for the album.

5) A Black Metal band from Toulouse, France, since 2015. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.