Conversation so far:
What was Melanie C's music style?
Chisholm's music is generally pop and rock. She also released an album of show tunes. Her vocal range is identified as mezzo-soprano.
Did Melanie C perform solo or with a group?
She is one of the five members of the Spice Girls, as well as a solo artist.
What did Melanie C sing about?
Did Melanie C win a any awards?
Her work has earned her several awards and nominations, including a Guinness Book mention, three World Music Awards, five Brit Awards from 10 nominations, and three American Music Awards.

Question: What song hit #1?
Self-contained rewrite: What song by Melanie C hit #1?