symphony music, non lyrics
You would like:
The nine Beethoven symphonies conducted by Otto Klemperer or George Solti
Beethoven Piano Concertos 1 and 5
Beethoven Violin Concerto
Vivaldi lute concertos played on guitars by Los Romeros
Mozart Piano concertos (any of them), for that matter, any concerto on any instrument
Brandenburg Concertos bach
This should get you started...