Artists · Global Music Power

Jefferson Starship portraitJefferson Starship

Charting Nov 16, 1974Oct 13, 1984 · 182 weeks with chart power

Charted in 2 of 2 marketsBillboard Hot 100 181 wk, UK Singles Chart 9 wk

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Billboard Hot 100 and UK Singles Chart combined, weighted · How it works

Each week an artist's share is the weighted mean of their Power Share across Billboard Hot 100 ×1 and UK Singles Chart ×0.45 (weights ∝ √population, US = 1). The divisor is every chart's weight, so a number one is worth the same share in any era — and a week before every chart exists sums to less than 100.

Peak Power
1.34%
week of Nov 22, 1975
Career Power
126
share-weeks
Weeks at #1
0
weeks as the top artist
Peak Year
31
October 1975 – October 1976
Peak Five Years
91
April 1975 – March 1980
Top-five weeks
1
weeks ranked 1–5
Longevity
182
weeks with chart power
Dominance
2.27%
week of Oct 25, 1975
Comebacks
1
May 1978
Comebacks (thresholds from config/scoring.json)
KindTrough beganReturnedTrough weeksLongest absencePrior peakReturn share
After declineMar 13, 1976May 20, 1978114611.34%1.05%

Computed from stored weekly power rows (config version 4, Sep 21, 2026).

Exponentially smoothed share of the week's total power (the primary metric).