Accompaniments and Audio Files
Websites for Piano Accompaniments
Piano Accompaniments for Violin Solos
I love this website. The owner Paul Gardner has made accompaniments to much of the standard student repertoire for violin. The list is quite extensive and his playing is wonderful. Not midi!!
Pianoescort
Youtube channel with piano accompaniments.
Repertoire (various)
Dowani
This company makes books and practice CDs for scales and violin literature. The Cds feature slower practice tempos and real orchestral back up tracks.
Accompaniments for Suzuki Songs
Suzuki Violin School, Vol 5: General MIDI Disk CD-ROM
Most other Suzuki volumes are also available with an accompanying CD.
Fiddle Tunes
Old Time Jam
Large repository of backup tracks for fiddle tunes.