How does a collection of songs become more than the sum of its parts and coalesce into a greater whole? Surely, sharing a musical or lyrical theme should suffice, but countless records have succumbed to the trappings of the generic in following that format. Given the risk, what’s the real benefit of opting for such rigidity in self-expression? Susanna’s Triangle is a great example of why the album as an idea works and how magical it can be. Over its ambitious runtime, the release primarily focuses on a fluid, transient interpretation of what constitutes a song. The emphasis here is…