Helena by My Chemical Romance: BPM and key
Helena by My Chemical Romance is 126 BPM in E major (Camelot 12B). Half time is 63 BPM and double time is 252 BPM. The relative key is C♯ minor.
126 beats a minute is upbeat territory, faster than 50% of the 20 songs we have measured. A bar of 4/4 lasts 1.90 seconds, so the 3:24 runtime is roughly 107 bars.
Helena: tempo and key at a glance
| BPM | 126 |
| Half time / double time | 63 / 252 BPM |
| Key (estimated) | E major |
| Camelot code | 12B |
| Relative key | C♯ minor (12A) |
| Tempo feel | upbeat |
| Length | 3:24 |
| Released | 2004 |
| Album | Three Cheers for Sweet Revenge |
We measured this with the same analyzer you can use on this site, running on a 30-second public preview of the track. The tempo matches the independent BPM figure published for the full track (126), which is why we list it with confidence.
Mixing Helena with other songs
12B sits next to 1B (B major) and 11B (A major) on the Camelot wheel, with 12A (C♯ minor) as its relative minor. Those four keys blend without a clash, and pushing the pitch fader by a few percent usually closes a small tempo gap.
| Song | BPM | Key | Match |
|---|---|---|---|
| SWIM · BTS | 126 (same) | 11B · A major | down one step |
| RuLe · Ado | 133 (+7 BPM) | 12B · E major | same key |
| Polygon Window · Aphex Twin | 133 (+7 BPM) | 11B · A major | down one step |
Closest tempos regardless of key: Beauty And A Beat (129), Leave Me Alone (123), Windowlicker (123), Dirty Diana (131).
Practising Helena with a metronome
Work up to 126 BPM in four passes: 76 BPM (60%) → 95 BPM (75%) → 113 BPM (90%) → 126 BPM (100%). Open the tap metronome and type 126 (or tap along to the record) to hear the click, or use the BPM calculator to turn 126 BPM into delay times in milliseconds. To change the tempo or key of your own copy without re-recording, use the pitch & speed changer.
Check your own copy of Helena
Studio, live, remastered and sped-up versions of the same song often differ by several BPM. Drop your file below: the analysis runs in your browser and the file is never uploaded.
Frequently asked questions
What is the BPM of Helena by My Chemical Romance?
Helena runs at 126 BPM. If you prefer to count in half time that is 63 BPM, in double time 252 BPM. One beat lasts about 476 ms.
What key is Helena in?
We detect E major for Helena, which is 12B on the Camelot wheel. Its relative key is C♯ minor (12A), and the next-door keys are 1B and 11B. Key estimates from a short preview can be off, especially on songs that change key.
What metronome speed should I use to practice Helena?
To learn Helena, start at 76 BPM (60% speed), move to 95, then 113, and finish at the full 126 BPM once every bar is clean. Half-time counting at 63 BPM also works for the slowest passes.
Which songs mix well with Helena?
In our dataset, SWIM by BTS (126 BPM, A major); RuLe by Ado (133 BPM, E major); Polygon Window by Aphex Twin (133 BPM, A major) sit in a compatible key within 7 BPM. Beyond these, any track in 12B, 1B, 11B, 12A blends harmonically.
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