Reverend Billy Corgan Signature Drop Z High Tide BlueThe Reverend Billy Corgan Drop Z combines the aesthetic features of his Z One signature model and a longer 24 fret, 26. 25 scale neck designed for drop tunings. The long scale neck provides appropriate string tension for down tuning, so the tone is deep and full, yet still stays punchy and clear. The alder solid body paired with Railhammer Billy Corgan Z One pickups delivers a heightened output and a velvety treble for a rich, weighty rock tone. The