Beyond Borders is A global voyage in music and is primarily instrumental. Five years in the making, it is a "Magnum Opus" for Armstrong and Nahrmann, a collection of songs composed over a 40-year span of creative output. Beyond Borders has tributes to jazz legend Dizzy Gillespie, sitarist Pandit Ravi Shankar, and George Harrison. Five years in the making, it is a "Magnum Opus" for Armstrong and Nahrmann, a collection of songs composed over a 40-year span of creative output.