Back & Forth
30s preview
- Key
- 1B · B major
- BPM
- 85
- Double-time
- 170
- Open Key
- 6d
- Energy
- 81/100
- Pop
- 22/100
- Length
- 5:22
- Released
- 2020
- Genre
- Drum N Bass
- Loudness
- -3.9 dB
- Dynamics
- 10.0 dB
- ISRC
- GBCJY2000295
Key, BPM and audio features: model-based audio analysis · how we measure · catalogue updated July 2026
Back & Forth is a downtempo drum n bass track in B major (1B) at 85 BPM. The feel is punchy, neutral in mood. The groove is strong and floor-ready. It is vocal-led. Its spectrum is weighted to the sub and kick, with a heavy low end. The master is loud and heavily compressed. Slower than 99% of S.P.Y's catalogue. In a set it works best as a floor-filler.
- Groove:
- groovier than 99% of S.P.Y's catalogue
- Low end:
- more bass-heavy than 94% of S.P.Y's catalogue
- Reach:
- better known than 91% of S.P.Y's catalogue
Sonic profile
Frequency spectrum
amplitude · bass → treble
- 36%
- Low
- 30-130 Hz
- 29%
- Low-mid
- 130-570 Hz
- 20%
- Upper-mid
- 570 Hz-2.5 kHz
- 15%
- High
- 2.5-11 kHz
FAQ
What key is Back & Forth in?
Back & Forth by S.P.Y is in B major, or 1B on the Camelot wheel.
What BPM is Back & Forth?
Back & Forth runs at 85 BPM, a downtempo track.
What mixes well with Back & Forth?
From 1B it blends harmonically with 2B, 1A, 12B. Moving to 2B lifts the energy a step.
Is Back & Forth good for peak time?
With energy 81 out of 100 at 85 BPM, it works best as a floor-filler.
Mixes harmonically
1B → 12B · 2B · 1AFrom 1B, 2B (F♯ major) lifts the energy a step; 1A (A♭ minor) settles into the relative minor; 12B (E major) cools the energy down a step.
How to mix it
In 1B at 85 BPM: 2B (F♯ major) — move to 2B to push the floor harder; 1A (A♭ minor) — switch to 1A for a mood change without losing the groove; 12B (E major) — drop to 12B to bring the room down gently.
Pitch range at ±6%: 80-90 BPM — anything in that window beatmatches without sounding stretched.
Key on the fader: without key lock (Master Tempo on CDJs), above roughly +5% it plays a semitone higher, so treat it as 8B rather than 1B; below -5% it reads as 6B. With key lock on, it stays 1B across the whole range.
Programming: a floor-filler.
Similar tempo
Within ±3 BPM of 85 — beatmatch without a big tempo pull.
More drum n bass
More from S.P.Y
Full profile
Other recommendations
Beyond strict key and genre matches: tracks that still sit in beatmatch range of 85 BPM with a compatible energy and groove — candidates for a key jump or a genre crossover.
Every insight on this page, for your own library.
Vibes runs this same analysis on the music you own: keys, energy and vibe for every track, organized into sets you can actually play.