"playWhenResourcesReloaded": true,
"requireUnfocused": false,
but only dings when the mc window is out of focus.

"playWhenWorldLoaded": true,
"playWhenWorldOptimized": true,
"playWhenResourcesReloaded": true,
"requireUnfocused": true,
"requestWindowAttention": false
and when mc loads up it doesn't ding at all (whether the window's in the background or front).