Is there a group that you feel has good vocal synergy?

for me its Red Velvet

original post here

comments :

1. Hul, same here ( Red Velvet)
2. BoysNextDoor.
3. Came in thinking of the group mentioned in the post
4. Xdinary Heroes
5. NewJeans
6. Wish?
7. BoysNextDoor
8. These days for boy groups it's PLAVE, for girl groups it's LUCYNE
9. BTOB, PLAVE, TVXQ.. Recently it's BoysNextDoor for boy groups
10. BEAST
11. Agreed with the post, aespa
12. Me too, Red Velvet
13. WINNER is crazy good
14. ONF
15. Red Velvet and WINNER?
16. Red Velvet
17. SM girl groups have great vocal harmony
18. So true
19. SHINee
20. SHINee, Highlight
21. BEAST
22. EXO
23. True true
24. KARA and Red Velvet — these two have the best vocal harmony
25. EXO
26. Red Velvet
27. ONF, Red Velvet, SHINee
28. Agreed on Red Velvet
29. ONF
30. NCT Dream
31. Highlight, NCT 127
32. Red Velvet, (G)I-DLE
33. BEAST
34. INFINITE
35. I just think SM girl groups always had great vocal harmony lol, from 1st gen till now
36. Totally INFINITE
37. Same here, Red Velvet
38. Same here ( Red Velvet)