Mosfellsbær is home to Sigur Rós's music studio Sundlaugin, which before their arrival was an abandoned building including a swimming pool (sundlaugin means "the swimming pool"). The acoustics created by the building having a swimming pool center bottom was one of the reasons that they decided on investing in the property for future use. Sundlaugin has been used for recording and mastering by a number of Icelandic musicians and others, including Amiina (which often tours with Sigur Rós) and Jimmy Lavelle from The Album Leaf.