If you loved The Kingdom of Dreams and Madness, try 25th Anniversary Studio Ghibli Concert
A bridge between a film you've already seen and one most people haven't. 25th Anniversary Studio Ghibli Concert has roughly 5.1× fewer votes than The Kingdom of Dreams and Madness — it's a deeper cut, not a mainstream recommendation. Here's what they share, and what the second one does that the first one doesn't.

The Kingdom of Dreams and Madness

25th Anniversary Studio Ghibli Concert
What they share
Both films are directed by Mami Sunada, and they both carry the bittersweet, cozy, foreign gem, tender mood tags. If that's the register that drew you to The Kingdom of Dreams and Madness, the second film will land in a comparable space — through a different lens.
What 25th Anniversary Studio Ghibli Concert is
A Ghibli film without visuals. Joe Hisaishi conducts pieces from the Miyazaki filmography with choir, orchestra, and soloists. It's a chance to appreciate the scores on their own merits, beyond animation.