Making sweet sweet music with your significant other can go one of two ways. The chemistry you have as a couple (good or fractious – Rumours, anyone?) can translate effortlessly when improvising with lyrics and arrangements, eventually expanding into solid soundscapes. It’s akin to building a life or home together, it is a gradual journey that unfurls to represent the couple. On the contrary, a musical duo brought together in matrimony can spawn songs that are, at times, uncomfortable to listen to, presenting a sort of audio PDA. Tennis often waver between these scenarios. In the past they have written…