1Hz Delta

1Hz Delta a song by Ordnance Survey on BeMusic

24H Beta by Ordnance Survey,
8Hz Alpha (Amhran An Badora) by Ordnance Survey,
6Hz Theta by Ordnance Survey,
30hz Gamma by Ordnance Survey,
4Hz Theta by Ordnance Survey,
60 Hz Gamma by Ordnance Survey,
5Hz Theta by Ordnance Survey,
1Hz Delta by Ordnance Survey,