JAM PARTNER / EXPERIMENT 01

Can the drummer keep up?

A simulated pianist. One drum groove. Decisions from Jev.

Decision source Volume

Ready. Start with Mock to hear the fixture.120 BPM · 4/4 · 100 ms updates

NOW PLAYING

Waiting for the pianist

00:00.0Bar 1 · beat 1

Piano

Silent

Drums

Stopped

0 s4 s8 s12 s16 s

Piano fixtureDrum playback16-second phrase repeats · two silent bars → four piano bars → two silent bars

Median response—Request round trip

95% of responses—Finished within this time

Start deadlines0 / 0Met / missed

Rule agreement—Against the explicit test policy

No requests yet. Mock and replay do not use your API key.

↑ Import recording

Newest first. Select a row to inspect the exact state sent to Jev and its response.

Session	Decision	Round trip	Result
Your first decision will appear here.

Request / response inspector

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