Lady Gaga is continuing her jazzy period.
The entertainer performed an hour-long jazz set Thursday at the American Foundation for AIDS Research's tribute to Ryan Murphy.
"I love Ryan so much, and I'm so, so happy to be here," said Gaga, who stars on the current season of the writer-director's FX hit, "American Horror Story."
"He's really my friend and he's a wonderful person," she said.
Gaga dedicated the '60s standard "Call Me Irresponsible" to Murphy, who was the guest of honor at amfAR's Los Angeles Inspiration Gala. Murphy pledged to serve as "a lifelong ambassador" for the organization, which aims to find a...