Complex sentence: After recording sessions with producers Roberts Alleca and Michael Brown, Aguilera found herself unhappy with the pace at which her career was going, despite Alleca and Brown offering Aguilera free studio time she decided to venture to Japan in an effort to boost her career.
Split into simpler sentences: After recording sessions with producers Roberts Alleca and Michael Brown, Aguilera found herself unhappy with the pace at which her career was going. Despite Alleca and Brown offering Aguilera free studio time, she decided to venture to Japan in an effort to boost her career.