Gibson Non-Reverse Thunderbird Inverness Green Bass GuitarEver since it was first released back in 1965, the Non Reverse Thunderbird has been THE choice for forward looking bassists who want to make their own path and steadfastly refuse to follow the crowd. The Non Reverse Thunderbird's distinctive styling and huge, thunderous tone make it a standout on stage and in the studio. Now you have the opportunity to make one of these relatively rare 'birds your own with the release of the new Gibson USA Non Reverse