The Half-Life of a Song

In 1911, the flamenco guitarist Ramón Montoya recorded Quisiera yo renegar. In 2025, ROSALÍA recorded it again — a first cover 114 years in the making, the longest wait in the database between a song's first recording and its first recording by somebody else. At the other extreme sit last year's viral songs, covered on a bedroom piano before the original left the charts. Between those poles is a number with a history: how long does a song wait to be covered?

MusicBrainz links recordings to the underlying works, which makes the question countable: for 230,774 songs, a dated first recording and a dated first recording by a different artist. The median wait, across a century of recorded music, is seven years. But the median hides three different worlds:

Three regimes. In the standards era, the song was public property but the catalog moved slowly: songs first recorded in the 1920s that ever got covered waited a median 30 years — much of Tin Pan Alley's songbook wasn't re-recorded until the LP boom of the 1950s made every crooner cut the classics. Then comes the strangest ridge in the chart: originals from the 1970s waited a median 16 years — longer than songs from the 1950s. The album era fused the song to its recording; covering a Zeppelin or Floyd track felt redundant while the original still owned FM radio, so the covers arrived a generation later, as tribute albums and grunge-era B-sides. The cover nearly died of respect.

Then the collapse: 8–9 years for the '80s and '90s, six for the 2000s, and for the 2020s the median first cover arrives in about a year, with 49% landing inside the original's own calendar year. The YouTube and streaming cover economy re-created Tin Pan Alley conditions — a hit is again a song to be performed, instantly, by everyone — at 30× the speed. (The last two bars are honest but young: recent songs haven't had their slow covers yet, so their observed medians can only shrink. The same-year share, which needs no waiting, makes the point on its own.)

The centenarians

The right tail is where the stories live. Behind Montoya: قاسيم's 1903 recording covered 122 years later by Malaysian rock royalty M. Nasir. Scott Joplin's Silver Swan Rag, first cut on a 1914 piano roll, waited 108 years for its next pianist. Bessie Smith's Haunted House Blues got its second voice in 2024 — a clean century. Enrico Caruso waited 95 years for Giuseppe Di Stefano to re-record one of his Manon arias. And the 1929 novelty song Jollity Farm was finally covered in 2023 by 'Legs' Larry Smith of the Bonzo Dog Doo-Dah Band — who had clearly been sitting on the idea for fifty years, since the Bonzos built a career on exactly this kind of exhumation.

A song, it turns out, never fully expires. It just waits for someone to remember where it was buried.

Method: for each work, recordings are dated by recording date (excluding dates derived only from compilations/reissues); the original is the earliest dated recording, the first cover is the earliest dated recording whose first-credited artist differs. Works need both to count; 230,774 qualify. "First recording" means first in the database — for pre-1900 compositions this measures re-recording, not composition age, so classical works are naturally rare in the tails shown. No negative latencies exist in the data. Medians for 2010s/2020s originals are right-censored (marked hollow). Computed August 2026 against the 2026-07-25 MusicBrainz build.