Meanwhile, Mandy flirts with Kyle, who remains unaware of her interest in him.???American Masters??? (9 p.m., Chs. 2 and 11; 2 a.m., Ch. 44; 5 a.m., Chs. 2 and 11) The story of gospel singer-guitar virtuoso Sister Rosetta Tharpe (1915-73), who influenced such rock and rollers as Chuck Berry, Elvis Presley, Jerry Lee Lewis and Little Richard.