Leah Libresco at FiveThirtyEight: Hamilton has 20,520 words and clocks in at 2 hours and 23 minutes, at a rate of 144 words per minute. By comparison, the Pirates of Penzance has 5,962 words, and runs 1 hour and 43 minutes, at a leisurely pace of 58 words per minute.
In a conventional musical, the only songs that keep pace with Miranda’s lyrics are ones in which a character is hysterical. In “Hamilton,” what would be mania in any other show turns out to be the pulse of revolution.
‘Hamilton’ Would Last 4 To 6 Hours If It Were Sung At The Pace Of Other Broadway Shows