Tascam 424, Red Panda Particle 2 and Strymon BigSky // Granular Tape 

I layered a U-he Diva patch with Native Instruments Una Corda piano and created 4 slowly arpeggiating tracks at 30 bpm. I recorded the tracks to a tape loop at high speed and lowered the speed to slow on playback to emphasize the tape artefacts.
I recently (re)discovered the Red Panda Particle editor that allows you to edit a few additional parameters like spread and pitch randomization which have a massive effects on this recording.
The BigSky is used in cloud mode with high diffusion.