music recommendations

If you like Vaughan Williams, you might also explore

Malcolm Arnold (e.g., Beckus the Dandipratt, Eight English Dances, Four Scottish Dances, Symphony No. 2)

Frank Bridge (e.g., Cherry Ripe, Sally in our Alley, Sir Roger de Coverley, Suite for String Orchestra)

George Butterworth (e.g., A Shropshire Lad, The Banks of Green Willow)

Hubert Parry (e.g., Lady Radnor's Suite)
.

Depending on what it is about Arvo Part's music you like, you might like:

Andrzej Panufnik (e.g., Sinfonia Mistica, Sinfonia Sacra, Landscape)

Eduard Tubin (e.g., Symphony No. 4, Estonian Dance Suite)
.