http://theherofeed.com/4403/july-guitar-hero-dlc-sale-announced/
All are half off:
DJ Hero – Dance Party Mix Pack – 320 MS Points
DJ Hero 2 – Ultra Mix Pack – 320 MS Points
Guitar Hero III: Legends of Rock – Velvet Revolver Pack – 250 MS Points
Guitar Hero World Tour – Travis Barker Track Pack – 220 MS Points
Guitar Hero 5 – The Rolling Stones Live Pack – 360 MS Points
Guitar Hero: Warriors of Rock – My Chemical Romance Track Pack – 300 MS Points
All are half off:
DJ Hero – Dance Party Mix Pack – 320 MS Points
DJ Hero 2 – Ultra Mix Pack – 320 MS Points
Guitar Hero III: Legends of Rock – Velvet Revolver Pack – 250 MS Points
Guitar Hero World Tour – Travis Barker Track Pack – 220 MS Points
Guitar Hero 5 – The Rolling Stones Live Pack – 360 MS Points
Guitar Hero: Warriors of Rock – My Chemical Romance Track Pack – 300 MS Points