[B-Chan]

I'm with you. "Stille Nacht/Silent Night" is excruciating (no pun intended) as sung my most people. Besides the screechy glissando you mention, the part that gets me is when people sing it:

♪♪♪|♪.♬
sle-eep in Heav-en-ly peace

instead of

♩♬|♩♬♩
sle-ep in Heav-en-ly peace

Arrrgh! Drives me fricking nuts.

[RayChuang88]

I'm with you. "Stille Nacht/Silent Night" is excruciating (no pun intended) as sung my most people.

That's because the song was written to be sung by a boy's choir. As such, very few singers can make it sound good singing alone.

Small wonder why I like the instrumental cover version from Mannheim Steamroller's first Christmas album.