Martin vs Sigma vs Gibson vs Santa Cruz guitars comparison - acoustic blues

0:00 - Sigma 000M-15 (000, solid mahogany top) 0:40 - Martin D-15 (Dreadnought, all solid mahogany) 1:22 - Santa Cruz OM/PWM (OM, mahogany/spruce) 2:04 - Gibson L1 Robert Johnson (small body, mahogany/spruce) In my YouTube-Channel you will find more recordings with these guitars! The same piece of acoustic blues played on each guitar. The takes were not made at the same time, but it was the same room and the same high-end mic (Sennheiser MKH-50 P48). No furt