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

Question: Why was the USO important to her
Self-contained rewrite: Why was the USO important to Jo Stafford?