The violin playing at sunset is in episode 2
The duet is in episode 7
When Tsukimori is alone on stage playing the violin, it's in episode 10
When Tsukimori leans over to Kahoko while she's playing the violin, it's in episode 16
When Tsukimori touches Kahoko's hand. Episode 16
When Tsukimori touches her hand, it's in episode 24
When Tsukimori has a fever, it's in episode 8
When Tsukimori and Kahoko are in front of each other, it's in episode 16
When Tsukimori performs on stage with her mother, it's in episode 24
When Kahoko has a "feather scene" with Tsukimori, it's in episode 10
When Tsukimori plays violin alone on stage, it's in episode 10
When Kahoko is playing violin, Tsukimori comes over to her. The "feather scene" between Kahoko and Tsukimori was in the 10th episode
These scenes are classic!