Artists · UK Singles Chart
Chicago
Charting Jan 4, 1970 → Jan 15, 1989 · 86 weeks with chart power
Charted in 2 of 2 markets · top artist of the week in all of them — Billboard Hot 100 546 wk (4 at #1), UK Singles Chart 86 wk (3 at #1)
- Peak Power
- 2.25%
- week of Dec 12, 1976
- Career Power
- 146
- share-weeks
- Weeks at #1
- 3
- weeks as the top artist
- Peak Year
- 44
- October 1969 – October 1970
- Peak Five Years
- 58
- April 1980 – April 1985
- Top-five weeks
- 10
- weeks ranked 1–5
- Longevity
- 86
- weeks with chart power
- Dominance
- 3.55%
- week of Nov 21, 1976
- Comebacks
- 3
- October 1976, October 1982, November 1984
| Kind | Trough began | Returned | Trough weeks | Longest absence | Prior peak | Return share |
|---|---|---|---|---|---|---|
| After absence | Dec 27, 1970 | Oct 31, 1976 | 304 | 300 | 1.60% | 1.21% |
| After absence | Apr 3, 1977 | Oct 10, 1982 | 287 | 246 | 2.25% | 1.21% |
| After decline | Jan 23, 1983 | Nov 25, 1984 | 96 | 91 | 2.25% | 1.02% |
Computed from stored weekly power rows (config version 4, Sep 21, 2026).
Exponentially smoothed share of the week's total power (the primary metric).
Songs on the UK Singles Chart
9 records · 146 share-weeks of Career Power
Power contributed is the share of each week's Power Share this song earned the artist; a featured credit earns its reduced share. Bar length compares songs within this list.
| Song | Peak | Weeks | On chart | Power contributedPower |
|---|---|---|---|---|
| If You Leave Me NowApple Music | #1 | 16 | 41.0 | |
| Hard To Say I'm SorryApple Music | #4 | 15 | 25.0 | |
| 25 Or 6 To 4Apple Music | #7 | 13 | 24.1 | |
| I'm a Man | #8 | 11 | 20.3 | |
| Hard Habit To BreakApple Music | #8 | 13 | 19.9 | |
| You're The InspirationApple Music | #14 | 11 | 12.9 | |
| Baby, What A Big SurpriseApple Music | #41 | 3 | 2.4 | |
| Look AwayApple Music | #77 | 2 | 0.4 | |
| Along Comes A WomanApple Music | #96 | 2 | 0.3 |
30-second previews and store links from Apple Music.