Blue Line light rail train, recorded from Del Mar Avenue, between 31st Street and 33rd Street, Long Beach, CA. Derived from file0502.wav (amplified and shortened), which was recorded 1/27/2011 using an MAudio MicroTrack 24/96 digital audio recorder and unknown microphone. file0502.wav (31,586 kB) available on request. Also posted to wikiGong.com.