MG I do a few Banjo accompanied songs - I do a bit of Blues as well as the odd bit of Music Hall as well as some contemporary songs from people like Jez Lowe and Keith Marsden (UK) and things like Roseville Fair . If you think about how you are working the accompaniment any thing can work . If you are only playing in one key ,there is a serious limiting factor so dont just stick to G - F and C work easily in open G tuning .