Iraqi forces hope for quick victory over IS in Tal Afar As Iraqi forces advance through Tal Afar, their Shiite religious songs mix with the crackle of gunfire by Islamic State group jihadists and the boom of air strikes. The battle to oust the jihadists from one of their last strongholds in Iraq is proceeding more quickly than expected. IMAGES AND SOUNDBITESREFILE TO CORRECT THE TITLES OF SOUNDBITES 1 AND 2