Editing 1999 in music (section)

===October===
*[[October 9]]
**"[[Heartbreaker (Mariah Carey song)|Heartbreaker]]", the lead single from [[Mariah Carey]]'s seventh studio album, ''[[Rainbow (Mariah Carey album)|Rainbow]]'', reaches #1 on the [[Billboard 100]], becoming her 14th #1 single and also her 59th week atop the chart. When it stayed at #1 for a further week Carey surpassed [[The Beatles]] for the act with the most weeks spent at number one. The song also topped charts in Canada and New Zealand.
**The first [[Coachella Valley Music and Arts Festival]] is held in California. The inaugural line-up consists of [[Beck]], [[The Chemical Brothers]], [[Tool (band)|Tool]], [[Morrissey]] and [[Rage Against the Machine]].
**The anti-poverty initiative [[NetAid]] is launched with simultaneous benefit concerts in London, [[New Jersey]] and [[Geneva]].
*[[October 19]] – [[98 Degrees]] release their first Christmas album ''[[This Christmas (98 Degrees album)|This Christmas]].''
*[[October 20]] – [[Melissa Auf der Maur]] leaves [[Hole (band)|Hole]].