Jennifer Lopez remembers the days when her record label budgeted $1m for one of her music videos. Today, she's attempting to create the same magic with one-tenth of the money. The entrepreneur says being a singer has been "challenging" since she debuted on the pop scene in the late 1990s, dominating the charts with back-to-back hits while becoming a driving force on other entertainment platforms. "It used to be like this big magical world, almost like Oz, when you'd make a record," the 44-year-old says. "(It) was like anything was possible." Lopez, who released her eighth album, A.K.A., on Tuesday, says the music industry no longer feels like Oz. "Now, it's like, 'We'll see if we can do that and we can give you this much,'" she says of record label meetings. "And you're like, 'Wow, OK. So how am I gonna do that?' It's a whole different mind-set." She enjoys the cha...