Thrainn Hjalmarsson is a composer frequently working with a sonic landscape composed of miniatured sounds. Hjálmarsson's music has been described as “introvert, a bit ambient, beautifully made, [and] delicate.” along with being “Fascinating and enchanting!”.

Since 2011 Hjálmarsson has been a vibrant act in the Icelandic music scene, running the concert series Phonemes (ísl. Hljóðön) at Hafnarborg – Centre for culture and fine arts, dedicated to contemporary music, collaborating with visual artists and lecturing on experimental acoustics at The Iceland Academy of the Arts. His latest collaboration is the film RELIEF made in collaboration the visual artist Sigurður Guðjónsson, featuring the Icelandic Flute Ensemble, see further at http://relief-film.com/