"Memories Back Then," the new single from T.I.'s label/crew Hustle Gang, is actually helping the act look forward. The introspective track--which features T.I., Grand Hustle/Atlantic signee B.o.B, Grand Hustle singer Kris Stephen and a guest verse from Kendrick Lamar--dips 30-36 on Billboard's Hot R&B/Hip-Hop Songs chart and 88-98 on the Billboard Hot 100 after its debut week, but T.I. sees its self-generated momentum as a calling card now that he's back on the open market.

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