I received this info in the email confirming our reservation:

IMPORTANT DINING INFORMATION
We have a 15 minute grace period. Please call us if you are running later than 15 minutes after your reservation time.
We may contact you about this reservation, so please ensure your email and phone number are up to date.
Your table will be reserved for 1 hour 30 minutes for parties of up to 2; 2 hours for parties of up to 4; 2 hours 30 minutes for parties of up to 6; and 3 hours for parties of 7+.

ADDITIONAL NOTES
We have indoor & outdoor dining. Some of our outdoor seating (with the best views) isn't weather protected. We will accommodate you the best we can should it rain during your meal. We cannot guarantee you a replacement table. We have parking in the Carrefour parking lot with a complimentary shuttle starting at 6pm, or valet parking in front of our restaurant entrance for $10.
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I don't recall if the music starts at 8:00 or 8:30. I have never been thrown out and have stayed longer than the allotted time. It's a fine line between catching the sunset and listening to the music. Your best bet is to call or email them; info on their website.

LINK to Bamboo House