Conversation so far:
When did Jo Stafford sign with Capitol Records?
Jo Stafford subsequently became the first solo artist signed to Capitol after leaving the Pied Pipers in 1944.
Was was the USO group Jo Stafford was working with?
Jo Stafford's tenure with the United Service Organizations during World War II, which often had her perform for soldiers stationed in the U.S., earned her the nickname G.I. Jo
What role did Jo Stafford play with the USO?
Jo Stafford's tenure with the United Service Organizations during World War II, which often had her perform for soldiers stationed in the U.S., led to her acquiring the nickname
Did Jo Stafford travel overseas?
A veteran told Stafford that the Japanese would play her records on loudspeakers in an attempt to make the U.S. troops homesick enough to surrender
Why was the USO important to Jo Stafford?
Jo Stafford replied personally to all the letters she received from servicemen. Stafford was a favorite of many servicemen during both World War II and the Korean War

Question: Are there any other interesting aspects about this article?
Self-contained rewrite: Are there any other interesting aspects Jo Stafford's work with the United Service Organization besides being nicknamed G.I. Joe, what she did, being played over loudspeakers in Japan, and receiving letters from all the servicemen?