This video, via AudioCentralMagazine, demos using the Strymon TimeLine Digital Delay with a Korg MS-20 analog synthesizer.
The Timeline is designed to put a studio-quality delay into an effects pedal. See the Strymon site for details.
The Strymon TimeLine Digital Delay is processing audio straight from Korg MS-20. Several algorhitms under test. No music, just testing delay capabilities.