August 12, 2015 at 04:56 PM EDT

Taylor Swift’s “Bad Blood” got a makeover from YouTube star Miranda Sings and musician Tori Kelly — and Swift herself called the duo’s cover “the vocal event of the year” on Twitter.

In the video, Sings (a character portrayed by comedian Colleen Evans) keeps up her persona as a terrible singer who thinks she’s, well, not a terrible singer. Meanwhile, Kelly plays the guitar and tries to keep a straight face.

After Swift tweeted out the link to the video, Sings replied by thanking her — and offering her services. “If u want I can give u voice lessons,” she wrote on Twitter. “I’m a gr8 teacher.” See just how great of a vocal coach she is in the video below.

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