Conversation so far:
who sang let the bodies hit the floor first
Bodies is a song by the American rock band Drowning Pool.
what are the chart rankings for 'Bodies' by Drowning Pool
Bodies by Drowning Pool peaked at number 6 on the Billboard's Mainstream Rock Tracks chart in August 2001, and No. 12 on the Alternative Songs charts in September 2001.
did the song 'Bodies' by Drowning Pool win any awards
'Bodies' by Drowning Pool was certified gold by the Recording Industry Association of America on June 24, 2008, indicating half a million digital copies sold.

Question: how many copies have been sold since the song's release
Self-contained rewrite: how many copies have been sold since 'Bodies' by Drowning Pool's release