I did this a while back, but I still like to give it a listen every once in a while! This mellow, jazzy take on Frippertronics was done live with just an RC-300 looper and a GR-55 guitar synth. Although I used an RC-300, I imagine any looper that has main+sub outs, and a 'replace' mode will work.
https://soundcloud.com/sjrb-1/jazzytronics-1
More details on setting it up here: https://www.vguitarforums.com/smf/index.php?topic=6845.0
#Frippertronics #bonkwave #guitar #looper #RC300 #GR55 #loops #loopy