Loonatics Unleashed (2005)

S2E11 The Music Villain

Title: The Sonic Menace Plot: The Loonatics confront Boötes Belinda, a nefarious musician and his robotic band who unleash chaos across Acmetropolis with their rock anthems. After capturing Zadavia, Belinda coerces Tech into crafting a state-of-the-art guitar. With time running out, the Loonatics must rescue Zadavia and thwart this musical menace. They discover that the band, led by Rupes Oberon, is comprised of machines. Oberon, once a songwriter for Zadavia's theme on Freleng, seeks revenge after being rejected and uses the guitar to siphon away her powers.