No vibrato, eerily beautiful tension. This is kind off opposite to that you linked where it has a lot of vibrato. I enjoy it. Its not commonly played in a quartet.
I listen to tons of music on Youtube, a lot of different types.
https://m.youtube.com/watch?v=lKrxPTePXEQ
In a way, Wagner is kind of opposite to Bach.
I don't think anyone has developed harmonic tension like Bach. But I do love Rachmaninov's tension.
I listen to youtube too. I like to play it on one internet page as I peruse other pages, such as FreeRepublic.