Crossword puzzle clue "you shouldn't be a driver and this simultaneously"

You shouldn't be a driver and this simultaneously

Hip-hop duo whose songs "Hey Ya!" and "The Way You Move" were simultaneously #1 and #2 in 2003

"I Want to Hold Your Hand" and "She Loves You" group who in 1964 became the first ever to be simultaneously #1 and #2 with their first two hits: 2 wds.

What you shouldn't eat if "you are what you eat" is true?

What you shouldn't eat if "you are what you eat" is true?

Creatures that can't move but have sex by constantly and simultaneously ejaculating on a full moon once a year. It's called "broadcast spawning" and there are videos and they are glorious

Disco group whose songs "Night Fever" and "Stayin' Alive" were simultaneously #1 and #2 in 1978: 2 wds.

Hip-hop group whose songs "Boom Boom Pow" and "I Gotta Feeling" were simultaneously #1 and #2 in 2009: 3 wds.