Ozzy Osbourne is once again taking the "Crazy Train" to the top of the charts.

The Prince of Darkness' new solo single, "Patient Number 9," has hit #1 on Billboard's Mainstream Rock Airplay ranking. It's his fourth leader on the chart, which first began in 1981.

"Patient Number 9" took just five weeks to reach #1, which ties Shinedown's "Planet Zero" for the fastest run to the top of Mainstream Rock Airplay this year. Additionally, its ascension also gives featured artist Jeff Beck a new Billboard record.

The guitar virtuoso now boasts the longest gap between an artist's first appearance on Mainstream Rock Airplay and their first #1, having hit the summit with "Patient Number 9" 37 years, one month and two weeks after debuting on the chart with the 1985 Rod Stewart collaboration "People Get Ready."

The record was previously held by Queen's Brian May, who waited 26 years, three months and one week between his first appearance in 1993 with the solo song "Driven By You" and hitting #1 in 2019 as a featured artist on Five Finger Death Punch's cover of Kenny Wayne Shepherd's "Blue on Black."

"Patient Number 9" is the title track off Ozzy's upcoming 13th solo album, due out September 9.

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