I’ve found a few mismatched titles for the subject album. See this reference for further support: https://en.wikipedia.org/wiki/Jethro_Tull_–_The_String_Quartets
Roon Track Currently Named Correct Name
4 Ring Out These Bells (Ring Out, Solstice Bells) -> We Used to Bach (We Used to Know/Bach Prelude C Major)
6 We Used to Bach (We Used to Know/Bach Prelude C Major) -> Songs and Horses (Songs From the Wood/Heavy Horses)
7 Velvet Gold (Velvet Green) -> Only the Giving (Wond’ring Aloud)
8 Pass the Bottle (A Christmas Song) -> Loco (Locomotive Breath)
9 Loco (Locomotive Breath) -> Pass the Bottle (A Christmas Song)
10 Only the Giving (Wond’ring Aloud) -> Velvet Gold (Velvet Green)
11 Songs and Horses (Songs From the Wood/Heavy Horses) -> Ring Out These Bells (Ring Out, Solstice Bells)