I wouldn't really be comfortable singing other people's songs. The thing with The X Factor is that people bring out albums so fast after the show and sometimes it works and sometimes it doesn't. I didn't want to do that - there's nothing wrong with it - but back then I just wasn't ready to do music.
Here at his peak, Jotaro can stop time for as long as 5 seconds. It's stated that Star Platinum can freeze time for longer, but 5 seconds is the limit for human endurance under stopped time. After Dio's defeat Jotaro's Stand is the strongest Stand in the JoJo universe. Star Platinum The World, an evolved version of the Stand, appears near the end of part 6 Stone Ocean.
Dialogue generally runs faster than a minute per page, and comedy is even more reliant on dialogue. The hour long drama I've written for has a run time of 45:30 (+/-), and our page count usually comes in at 53-55. For your Futurama spec, probably a run time of 20-22, I would shot for around 30-35.