Made with sounds recorded on the London Underground, Berlin Metro, Moscow Metro and New York City Subway. Featured on Framework Radio show 590 www.frameworkradio.net/2017/03/590-2017-03-19/Some sounds used are from the Art on the Underground Victoria Line sample set by Matt Rogers.http://art.tfl.gov.uk/projects/sample-set/Thanks to the following freesound.org users for their contributions: http://freesound.org/people/nannygrimshaw/http://freesound.org/people/Motion_S/ http://freesound.org/people/kwahmah_02/http://freesound.org/people/blaukreuz/ http://freesound.org/people/Emanuele_Correani/ http://freesound.org/people/qubodup/http://freesound.org/people/varm/ Vadim Kolosov https://soundcloud.com/e240http://freesound.org/people/micadoe/http://freesound.org/people/LG/http://freesound.org/people/frederic.font/http://freesound.org/people/limitedheadroom/