What instruments are these these?

[RobbL]

this

[video=youtube;eLj9senIroM]http://www.youtube.com/watch?v=eLj9senIroM[/video]

& this

[video=youtube;bcvKDrDTcp0]http://www.youtube.com/watch?v=bcvKDrDTcp0[/video]

[MeowMeow]

-snip-
trying to be funny

[Hakita]

The first one just sounds like a basic accordion to me

[Kljunas]

I'd say they're both cello, according to this:

[url]http://www.discogs.com/Elbow-Cast-Of-Thousands/release/421581[/url]
[url]http://www.discogs.com/Ulver-Shadows-Of-The-Sun/release/1109841[/url]

The first one kinda sounded like accordion + cello to me at first, but since accordion isn't mentioned in the first link it's probably just cello.