Sure, here are some violin-infused songs that you can add to your classical playlist:

1. "The Lark Ascending" by Ralph Vaughan Williams
2. "Violin Concerto in E minor, Op. 64" by Felix Mendelssohn
3. "Four Seasons" by Antonio Vivaldi
4. "Violin Concerto No. 1 in G minor, Op. 26" by Max Bruch
5. "Violin Concerto No. 3 in G, K.216" by Wolfgang Amadeus Mozart
6. "Zigeunerweisen, Op. 20" by Pablo de Sarasate
7. "Violin Concerto in D major, Op. 77" by Johannes Brahms
8. "Violin Concerto No. 1 in D major, Op. 19" by Sergei Prokofiev
9. "Symphonie Espagnole, Op. 21" by Édouard Lalo
10. "Introduction and Rondo Capriccioso, Op. 28" by Camille Saint-Saëns

Remember, the beauty of these pieces can greatly depend on the interpretation, so you might want to listen to different performances to see which you prefer. Enjoy your listening!