There is more than one artist with this name:
1. IAH is a stoner band from Córdoba, Argentina.
2. iah is a band from Malmö, Sweden.
The original members were: Saman Baktiari, Vocals. Sunyarta Conta, Vocals. Teodor Hafner, lead guitar. Mattias "Jöna" Jönsson, 2nd guitar. Stellan Löfberg, Electric bass. Frans Jönsson, Drums.
Later on Teo, Stellan and Jöna quit and in came Nicklas Tjäder, Guitar and vocals. Johan Senneby, Electric bass. Twin Mizzeli, Percussion. Max Andersson, Synthisizer. Read more on Last.fm