: The episode focuses on Ikuyo Kita officially joining (or rather, being pulled back into) the Kessoku Band. It is revealed that she previously ran away because she couldn't actually play the guitar—having accidentally bought a six-string bass instead.
: This original gag track is played by Bocchi while she laments that the new recruit, Kita, is better at part-time work than she is. BocchiTheRock_Ep_03_SUB_ITA.mp4
If you are looking for the , that doesn't happen until Episode 5 ("Flightless Fish"), where they perform "Guitar, Loneliness and Blue Planet" at the Starry venue. Be Right There | Bocchi the Rock! Wiki | Fandom : The episode focuses on Ikuyo Kita officially
: The "musical" focus is on Bocchi agreeing to teach Kita the basics of the guitar. If you are looking for the , that
: This episode features the second ending theme, "Distortion!!" by Kessoku Band. Some fans also associate this part of the series with the third ending theme, "Nani ga Warui," which is the character song for the drummer, Nijika.
While hiding in a trash can due to an identity crisis, Hitori "Bocchi" Gotoh performs a short, depressing acoustic piece titled . Music & Performance Highlights of Episode 3