Conversation so far:
Were Leviathan and Call of the Mastodon albums or songs?
Leviathan and Call of the Mastodon are both albums by the American band Mastodon.
How many tracks were on the album Leviathan by the band Mastodon?
The album Leviathan by metal band Mastodon has 10 tracks.

Question: What was Call of the Mastodon?
Self-contained rewrite: What was Call of the Mastodon by metal band Mastodon?