Free Rock Backing Tracks with Drums, Guitar, Harp and acoustic Guitar

1. Night Tune
   Rock backing track #155848
   acoustic Guitar, Drums & Guitar: StJray
   Harp: Mickey
   

   Meter: 4/4 
   Tempo: 84 BPM 
   Musical key: G major 
   

2. 3 tracks match your criteria if you switch to loose instrument matching:

3. After the Nullabor
   Rock backing track #112306
   acoustic Guitar & Drums: Psycho
   Guitar: KMstar
   Vocals & Harp: Dadinator
   

   Meter: 4/4 
   Tempo: 88 BPM 
   Musical key: A minor 
   

4. After Nullabor
   Rock backing track #112400
   acoustic Guitar & Drums: Psycho
   Guitar: KMstar
   Vocals & Harp: Dadinator
   Bass: bhunt1
   

   Meter: 4/4 
   Tempo: 88 BPM 
   Musical key: A minor 
   

   Sounds like:Alt rock