The customized key-tar from Lady Gaga’s 2011 “Monster Ball” tour is shown on display at Hau …

The customized key-tar from Lady Gaga's 2011 “Monster Ball” tour is shown on display at Hau ...

The customized key-tar from Lady Gaga’s 2011 “Monster Ball” tour is shown on display at Haus of Gaga at Park Theater. (John Katsilometes/Las Vegas Review-Journal) @JohnnyKats