Last Friday Night (T.G.I.F.)
Katy Perry
- Key
- F# major
- Camelot
- 2B
- BPM
- 126.1
Key confidence medium · relative Eb minor (2A) · BPM confidence medium · half-time 63.0 · measured from the full recording · 2026-09-13 · essentia.js@2.1-beta6-dev
The full sheet: this record in Dig. Same engine, your files: drop a crate in the analyzer.
"Last Friday Night (T.G.I.F.)" by Katy Perry has charted in 33 markets across 3 platforms, peaking at #7 (MT) on the Rotation chart. Measured from the full recording, it reads F# major (2B) at 126.1 BPM.
- Markets
- 33
- First seen
- 2026-06-17
- Latest chart date
- 2026-09-12
- Peak
- #7 mt
Started in 3 markets, now in 33.
Momentum
This song has not appeared on a Rotation chart, so it has no score and no receipts. The rank history below is the ledger; a score is only published once the momentum run puts it on a chart.
Across markets · earliest pickup first
Every date here is the date the source chart covers, never the date we fetched it. Sources publish on different lags: the Spotify mirror runs about two days behind, TurnTable publishes weekly.
- MarketFirst seenPeak
- Slovakiask · deezer spotify#188#48#188
- Austriaat · spotify#128#64#128
- Canadaca · spotify#159#121#159
- Czechiacz · deezer spotify#130#20#130
- Germanyde · spotify#163#53#163
- United Statesus · spotify#183#84#183
- Singaporesg · deezer spotify#197#97#197
- Luxembourglu · applemusic spotify#87#33#87
Worldwide feeds · not markets
A source's own worldwide chart. These are feeds, not places, so they are kept out of the market count above.
- MarketFirst seenPeak
- Global feedglobal · spotify#183#101#183
Listen
Editions
No published edition carries this song yet. Every edition it appears in will be listed here and stay listed: an edition is immutable, so a citation to one never rots.
Identity
- ISRC
- USCA21001264
- Slug
- katy-perry__last-friday-night-t-g-i-f
- Sources
- applemusic, deezer, spotify
The cross-platform join key, via Deezer.
Crude v0 identity: slug(artist)__slug(title).
Every source whose chart has ever carried this song.
A new pressing every week.
The records moving and what moved them, plus the occasional note about something we have built.
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