Sex and drugs: arguably the two subjects that have been the main inspirations for music throughout history.
From 'Lucy in the Sky With Diamonds' to 'The Needle and the Damage Done', some of the most notable songs of the last century have been influenced by heroin, LSD, marijuana or all three at the same time.
Artists have drawn inspiration from their love of narcotics to, ultimately, their descension into addiction, detailing hallucinations, paranoia or just feeling really, really good.
We all know about the most famous odes to stimulants and the story behind them, so here are 11 well-known tracks you may not have known are, too, about drugs. Inevitably, most of them are odes to heroin.