"A form of a song with a repeated pattern in the bass"describes which Baroque-era form? Concerto Ritornello Fugue Ground Bass Aria

The correct answer is:<br /><br />**Ground Bass Aria**<br /><br />### Explanation:<br />A **Ground Bass Aria** is a form of music from the Baroque era that features a repeated pattern in the bass line (known as a "ground bass" or "basso ostinato") while the melody and harmonies above it change. This technique was commonly used in Baroque compositions to create structure and variation within a piece.<br /><br />For example, Henry Purcell's famous aria *"When I Am Laid in Earth"* (from *Dido and Aeneas*) is a well-known example of a Ground Bass Aria.