I haven't listened to them much yet but from what I heard, you fail to disappoint me yet again!
To offer some critique, I listened to "Things Change" and I have a quick tip for you since you made the same little boo-boo every time:
During the chorus "All at Once things change"
"at" and "things" are different notes. You tended to sing them as though they were the same pitch. I'm not sure how much music theory you have but I'll start with the quick and technical explaination. If it's too confusing, read down some more:
"All" is a high Bb (B-flat) note:
"at" is the Eb (E-flat) below that:
"once" is back to the Bb
"Things" is a D (a half-step Below the Eb above)
"Change" is a C below that D,
as seen in the image below:

If that's too confusing, just remember to leave a little more room to go down from "at". B) "Things" is a little bit lower. If you can get this worked out, your chorus will sound amazing! Just sing the word "at" (or the 2nd syllable of the chorus) slightly higher than you have been and you'll go from very good to awesome!

You have "Things" in the right place, you just need to bump that 2nd syllable up a half-step. B)
(If you're still lost, feel free to ask!

)