Haruki is entranced by Setsuna's singing on the rooftop, and plots to get her to join the Light Music Club no matter what.  But she hates standing out, so convincing her is incredibly difficult.  Meanwhile, the club has an even bigger problem.  The elite student from Music Room 2 he was trying to persuade to join his club as the keyboard player isn't a member of the Music Class, it's a mysterious person whose class and identity are a total unknown.
I thought it was pretty odd,
Ich fand es ziemlich seltsam,
Pensé que era un poco extraño,
Me parecía un poco raro,
Je savais qu’elle 
sortait de l’ordinaire,
Achei bem estranho,