If you loved The Super Dimension Fortress Macross: Flash Back 2012, try Macross Delta: Passionate Walküre
A bridge between a film you've already seen and one most people haven't. Macross Delta: Passionate Walküre has roughly 4.4× fewer votes than The Super Dimension Fortress Macross: Flash Back 2012 — 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 Super Dimension Fortress Macross: Flash Back 2012

Macross Delta: Passionate Walküre
What they share
Both films are directed by Shoji Kawamori, and they both carry the uplifting mood tag, and they sit in Animation / Music / Science Fiction territory. If that's the register that drew you to The Super Dimension Fortress Macross: Flash Back 2012, the second film will land in a comparable space — through a different lens.
What Macross Delta: Passionate Walküre is
Two thousand sixty-seven, and the galaxy’s still selling pop star upgrades. Reassembled footage and fresh inserts follow idol squad Walküre and ace pilots Delta Squadron through a plague of dimensional burping. They do it all before the Var Syndrome chews through the collateral merch.