Swing Girls (2004)

Both has the name Swing, LOL
One is Japanese instrument, the other one is more serious Swing dance
Nevertheless, both are musical genre

Both are about the female lead involved in music.
The Japanese one in Swing instrument, the Korean one involved in traditional ballroom dancing.
They are both sweet and entertaining

Both are about high school girl band.
Beautiful Japanese musical movies.
Heart warming. Inspiration. Young talented youth facing many challenges

Both are about forming a band.
Both Japanese music related movie.
Many up and down , cute moment.
Fun watch.

Both are Japan movies about young people forming a Jazz Band.
Many challenges and obstacles.
Beautiful movie. Inspiration. Swing Girls has touch of Romance.
Kinds on the slope has developmental growth and romance involved

Both are old movies. Both are about forming a band
Both facing many hardship and challenges
Both band members love music and full of talented.