Saving Maggie; An interActive Graphic Novel

@StudioMIK
Below are two links that might be of value re: seamless looping. The "Building a Simple App that Syncs Audio Files" has looping related info. I believe Firefox (50.0.2) is still a dog in this regard - it still would not play seamless while Safari & Chrome do.

@DBear
Several examples & references of yours in the following threads - may be You won't have to dig so much. ;->