My 25% elderberry/75% chambourcin blend is like your Julie - and it's delicious and still too young. I credit the success to the elderberry cutting the high acidity while adding fruitiness and body. Good stuff.
I replied with a long detailed response but this site lost it. Sorry. Basically you are fine except the starting volume looks low - 2/3 gallon? Add passion fruit to keep it from being too dilute. Next time, start with 1+ gallons in a bucket to allow air and allow bubbling volume. Rack from...