On 16 October 2011, Marconi Union created an eight-minute track, titled "Weightless", in collaboration with the British Academy of Sound Therapy.
The song features guitar, piano and manipulated field recordings. It is punctuated throughout by low tones that supposedly induce a trance-like state.[7][8]
It was reported in a study that listening to the track reduced anxiety of the patients by up to 65%.[9]
In November 2011, Marconi Union were featured in Time magazine's list of Inventors of the Year, for writing and recording "Weightless".[vague][10] In January 2017 it charted in the Billboard charts.
Marconi Union - Weightless (Official 10 Hour Version)