Borrowing a Stairway to Heaven: did Led Zeppelin rip off a riff?

Originally posted in The Conversation by Nicolas Suzor and Eleanor Angel.

More than 40 years after the release of Stairway to Heaven, English rock band Led Zeppelin are facing allegations that its iconic guitar riff was stolen from Taurus, a song released in 1968 by the American rock band Spirit.

The two riffs are clearly similar: they share a four-bar instrumental guitar passage with similar harmony, tempo and stylistic features. Businessweek has created a short game where you can test your skill at telling the two apart.

But is this enough for Spirit to demand a share of the credit – and the royalties?

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