Silhouettes’: a brand new track by Montreal-based pianist/composer Tambour (Simon P. Castonguay). Silhouettes pairs Tambour’s delicate, melodic piano with lush string and horn arrangements performed by the Mommies on the run string quartet (Patrick Watson, Ariane Moffatt) and Pietro Amato (Arcade Fire, Bell Orchestre), who also co-produced the track. The eight minute piece is in…