Sarah Horn will return to Hollywood Bowl stage (without Chenoweth)

More of Sarah Horn’s dreams are coming true – and fast.

The Riverside voice teacher told Culture Monster on Tuesday that she not-no-secretly yearned to reappear at the Hollywood Bowl as an invited performer. Just days earlier Horn shot to Internet stardom after an impromptu duet of the “Wicked” tune “For Good” onstage at the Bowl with her idol, Kristin Chenoweth, went viral on You Tube with more than 2 million hits.

Horn moves fast: Done.

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The Hollywood Bowl announced Wednesday that it has asked Horn back to its stage -- this time to guest judge its Abba-Cappella competition the evening of Sept. 8.

The sing-off style competition will feature three local a cappella groups: the Scattertones from UCLA, the SoCal VoCals from USC and Chapman University’s SoundCheck. The groups will perform ABBA favorites such as “Take a Chance on Me” and “Money, Money, Money.”

A Swedish ABBA tribute band, ABBA The Concert, will perform that night, as will Horn – though the Hollywood Bowl won’t yet say what she’ll be singing or with whom. She’s being billed as a “special guest” for the night.

Talk about quickly-realized success: Mamma mia!

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Twitter: @debvankin