Double is a different concept from Sing. the last thing you do when you Sing is Quiet. Quiet is related to Faint. Faint is related to Pass. 
Peaceful is related to Calm. Calm is the opposite of Rough. Rough is related to Rock. Rock is related to Paper. 
Double <--DistinctFrom--> Sing --HasLastSubevent--> Quiet <--RelatedTo--> Faint <--RelatedTo--> Pass 
Peaceful <--RelatedTo--> Calm <--Antonym--> Rough <--RelatedTo--> Rock <--RelatedTo--> Paper 