GET
/ai/similar-becauseExplain why two tracks are musically similar, and where they differ. Grounded on track info and audio analysis for both.
Rate limit
10 req/hr
Caching
Generations cached 30 days per unordered pair of ISRCs.
Notes
- If a comparison has been generated for the same pair before, then every other request for that pair will have the same response. This is to cut down on errors such as being rate limited, costs, and so forth. This endpoint also has very aggressive rate limiting.
- Cached responses do not count towards your hourly quota.
- Order does not matter. A to B and B to A hit the same cache entry.
Authentication
Send a
User-Agent header containing a contact email. See authentication.Parameters
| Name | Type | Required | Description |
|---|---|---|---|
| isrc | string | required | ISRC of the first track. |
| to | string | required | ISRC of the second track. |
Request
curl 'https://api.synkradio.co.uk/ai/similar-because?isrc=GBUM71505078&to=value' \
-H 'User-Agent: [email protected]'Try it
GETTry it
Sends a real requesthttps://api.synkradio.co.uk/ai/similar-because?isrc=GBCEN2100107&to=GBCEN2100072Response
200 application/json
{
"a": {
"isrc": "GBCEN2100107",
"title": "You for Me (Sigala Re-Edit)",
"artist": "Sigala"
},
"b": {
"isrc": "GBCEN2100072",
"title": "You for Me",
"artist": "Sigala"
},
"comparison": "The two tracks share the same artists, Sigala and Rita Ora, and were both released in 2021, indicating they belong to the same era and likely the same stylistic context. Their audio features show a nearly identical tempo of 126 bpm and the same key of D, while energy levels are almost matched at 0.889 for the re‑edit and 0.886 for the original. These similarities in tempo, key, and overall energy suggest a comparable rhythmic drive and intensity.
Differences emerge in the other feature values: the re‑edit (Track A) has a slightly higher valence of 0.887 versus 0.696 in the original, indicating a brighter, more positive mood, whereas the original (Track B) shows greater danceability at 0.733 compared to 0.671 in the re‑edit. Acousticness is lower in the re‑edit at 0.00776 versus 0.0481 in the original, pointing to a more electronic‑focused production. The re‑edit also carries the “Sigala Re‑Edit” subtitle and was released a little later, on 2021‑08‑13, compared to the original’s 2021‑07‑02 date. These variations highlight how the re‑edit adjusts the track’s emotional tone and dance‑floor feel while preserving its core tempo, key, and energetic foundation.",
"generatedAt": "2026-09-14T20:26:52.784Z"
}