January: The Sex Pistols' US tour ends in disaster — the band splits in San Francisco. Sid Vicious is arrested for the murder of Nancy Spungen. Punk's great hope dies in a hotel room.
February: "Saturday Night Fever" soundtrack dominates the charts. The Bee Gees hold the top two spots simultaneously — a feat not achieved since The Beatles.
April: John Travolta and Olivia Newton-John's "You're the One That I Want" from Grease hits #1. It stays for 9 weeks — the longest run of the year.
June: The first Glastonbury Festival in 7 years takes place. 500 people attend. The headline acts include Fairport Convention and a then-unknown Kate Bush.
August: Kate Bush enters the chart at #1 with "Wuthering Heights" — the first female artist to have a self-written #1. She's 19 years old.
October: The Clash release "Give 'Em Enough Rope" — their second album and their first to crack the US market. Punk is evolving into something more political, more global.
December: Boney M's "Mary's Boy Child" is Christmas #1 — a disco-infused carol that proves even Jesus couldn't escape the dancefloor in 1978.