A worldwide search is underway to find Paul McCartney's missing Hofner bass guitar, which disappeared in 1969. The instrument, owned by the iconic Beatles frontman, has caught the attention of fans globally. The German company that sold the guitar has initiated "The Lost Bass Project" to locate it, asking for anyone with information to come forward. The bass guitar holds significant importance, featuring prominently in Beatles songs such as "Twist and Shout" and "Love Me Do."