Wonderful Tweedle toy bells miked with a Sony f-45 microphone plugged into channel two of the Koma Elektronik field kit.
The aux output of the field kit is connected to the input of a DIY cassette tape delay's record unit.
The playback unit of the DIY cassette tape delay is connected to channel one of the field kit.

A Sony TCS-580V stereo cassette recorder was used to record the toy bells.

A Library of Congress C-78 cassette tape player was used to play back the cassette recording of the toy bells backward at half the recorded tape speed.

1970's Wurlitzer transistor electronic organ

1960's Wurlitzer model 145 electric piano