Professor Alex Stewart, ethnomusicologist and music copyright specialist, was recently interviewed by Billboard on the ethics and legal ramifications of music sampling. Where is the legal line between paying musical homage and ripping off another artist’s work? Stewart reflects on a notorious dispute regarding “Stairway to Heaven,” in which Led Zeppelin were questioned over how much they borrowed from rock band Spirit – and how interpolation has become a hot topic in modern music. Read the full article here.