20th Century Boy by T. Rex
A Rock Band 3 chart.
Harmonix / Rock Band 3 / Official / Tanx / 1973 / Classic Rock
On Expert Lead it scores D 31.18, Calc Tier 4, at or above 45% of the site’s Expert Guitar charts. On Expert Bass it scores D 11.18, Calc Tier 1, at or above 42% of the site’s Expert Bass charts. On Expert Keys it scores D 14.08, Calc Tier 2, at or above 53% of the site’s Expert Keys charts. On Expert Drums it scores D 14.17, Calc Tier 3, at or above 24% of the site’s Expert Drums charts. On Expert Vocals it scores D 9.62, Calc Tier 3, at or above 65% of the site’s Expert Vocals charts.
| Part | Expert | Hard | Medium | Easy |
|---|---|---|---|---|
| Lead Tier 4 | 31.1845% | 14.3732% | 6.3725% | 1.719% |
| Bass Tier 1 | 11.1842% | 8.1040% | 3.5524% | 1.6325% |
| Keys Tier 2 | 14.0853% | 5.3534% | 3.0439% | 1.3934% |
| Drums Tier 3 | 14.1724% | 13.7249% | 8.7632% | 6.9851% |
| Vocals Tier 3 | 9.6265% | — | — | — |
Ranked #19 of 82 songs in Rock Band 3 on Expert guitar, and #1212 of the 2,257 songs on the site with an Expert guitar chart. 842 notes over 3:53, 3.6 a second on average.
Nearby on Expert guitar: harder: Concrete by Poppy (D 31.22, tier 4), Rock n' No Soul by I Am Abomination (D 31.23, tier 4); easier: Actors by Don Broco (D 31.18, tier 4), Black Cat by Janet Jackson (D 31.16, tier 4)
In Rock Band 3: harder: Oye Mi Amor by Maná (D 32.03, tier 4), Oh My God by Ida Maria (D 32.40, tier 4); easier: Foolin' by Def Leppard (D 31.07, tier 4), Walk of Life by Dire Straits (D 30.62, tier 4)
From Rock Band 3, whose every song is ranked by difficulty on its page.
D is the difficulty fretwork computes from the chart’s note density and movement, with the percentile among charts of the same instrument and level on the site and the Calc Tier anchored to the Expert chart; how it is scored and what the library holds. A number opens that chart’s graph.