1. Musicnotes: Musicnotes.com offers a digital copy of the sheet music for "Champagne" from "In the Heights". It includes the vocal melody, piano accompaniment, and guitar chords. You can purchase and download the sheet music directly from their website.
2. Hal Leonard: Hal Leonard Corporation, a leading music publisher, has published the sheet music for "Champagne" in their "In the Heights" songbook. This songbook includes sheet music for multiple songs from the musical, including "Champagne." You can find it at music stores or online retailers that sell sheet music.
3. Sheet Music Plus: Sheet Music Plus is another online retailer that sells sheet music. They offer a digital copy of "Champagne" from "In the Heights," which you can purchase and download directly from their website.
When searching for the sheet music, make sure to specify "Champagne" from the musical "In the Heights" to get the correct piece of music.