Possible Clues:

• Foo Fighters lyric "___ ten!"
• GNR "___ A Million"
• Montgomery Gentry "___ Every Crowd"
• "You're___ a million, yeah that's what you are"
• GNR "___ a Million"
• Buddy Jewell "___ a Row"
• Words often heard before a large number
• Odds opener
• Words often starting a long shot
• Liz Phair "Cause the next ___-a-million girl is a million girls away"