I discovered an old list of recommended music...

Some thoughts below:

6 Dances for String and Orchestra
(Composer unknown)

>> Might be the 6 Dances on the record "Tanzmusik der Praetorius Zeit" Archiv 198 166 (LP catalog number) - an excellent album of music from the Renaissance/early Baroque.

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Masonic Funeral Music
Mozart

>> There are various good performances, among them: Fricsay, Kertesz, Szell, Walter, Norrington.

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In Honor of City of London
Walton/Wilcox

>> A large choral work by William Walton, similar in scale to his Belshazzar's Feast, but only 16 minutes long. Good performance by Richard Hickox on EMI coupled with the Belshazzar's Feast.

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American Quartet
Dvorak

>> The String Quartet in F, op96 ("American"). Many excellent performances. I enjoy the Janacek Qt on London/Decca, the Talich Qt on Calliope, and the Lindsay Qt on ASV.

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Might be the 6 Dances on the record "Tanzmusik der Praetorius Zeit" Archiv 198 166 (LP catalog number) - an excellent album of music from the Renaissance I also believe this is a TAS recommended recording. This is a hard one to find in excellent condition because of the flimsy paper bound record jacket used buy them.

I really doubt that the Archiv LP referred to is what the OP has since it is extremely unlikely that it would be so labelled. If he wants more info on that, he has to provide more info.

Kal