If you are going for an event at the Bridgestone arena or just looking to spend the day downtown I'd recommend parking at the Music City Center parking lot. We parked here and spent a good portion of the day around the Bridgestone center. I'd say at least 8 hours or more and it was only $20 when we left, just get there early and leave your vehicle parked.
There is parking. Pretty sure you have to pay though
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