Jo Thompson shows she’s only getting better with age on Forever Fabulous. The octogenarian is in fine form leading the J.C. Heard Orchestra, under musical director Walt Szymanski, through 15 jazz and blues jewels. The singer-pianist sets the tone for the album by leading off with a strong, high-energy version of “Bye Bye Blackbird” that will transport listeners back to the big band days. Thompson is the smart, sassy girl singer and more. She offers thoroughly engaging performances of “Gee Baby A