Veteran Brooklyn bassist/singer-songwriter John Montagna, who has held it down for The Turtles, Alan Parsons Live Project, and Todd Rundgren, and is a contributor to Bass Magazine, offered to give us an inside look at his sessions for RAM ON, the just-released all-star 50th Anniversary tribute record to Paul and Linda McCartney’s seminal 1971 album, Ram:  It was a quiet evening in December when I got a Facebook message at my home studio workstation from my friend Fernando Perdomo, the superb guitarist and producer who has worked with Beck, Fiona Apple, Emitt Rhodes, and many others. Fernando and I share an obsession with all things McCartney-related, so no explanation was needed when he wrote, “Hey man… happening in my studio now…” and attached a short iPhone video of original Wings drummer Denny Seiwell cutting drum tracks.I was naturally thrilled at my friend’s opportunity to work with Seiwell, now a well-respected L.A. session drummer, clinician, and recording artis