State Active Duty (SAD) The Governor can activate National Guard personnel to âState Active Dutyâ in response to natural or man-made. disasters or Homeland Defense missions. SAD is based on State statue and policy as well as State funds.
Bigsby B50 Tremolo Hardware. The Bigsby vibrato tailpiece (or Bigsby for short) is a type of mechanical vibrato device for electric guitar designed by Paul A. Bigsby. The device allows musicians to bend the pitch of notes or entire chords with their pick hand for various effects.
The Bigsby was the first successful design of what is now called a whammy bar or tremolo arm, although vibrato is the technically correct term for the musical effect it produces. In standard usage, tremolo is a rapid fluctuation of the volume of a note, while vibrato is a fluctuation in pitch.