My thoughts
I listened to "Excellent Girl"...
As far as underlying material, I thought it was an ok song. The change up at 2:30 was nice. I swear the lead singer's voice is a dead ringer for Elvis Costello!!
But I thought the vocals need to be remixed. I thought the low harmony for some reason didn't blend well. Maybe record with a the lead singer overdubing the part. If you already did that, maybe back of some of the low's or rerecord. The harmony parts as written were sweet, but they just didn't seem to blend like I would want on the recording.
Also the vocals are a bit too far back in the mix. You could bring them up a bit and I think things would sound better.
I also think if the tempo were 10 BPM's faster it would be a better song.
Just thoughts...