The sigma 000m 15 mahogany acoustic guitar boasts a tone worthy of old school blues'. '.strtoupper('a')ll thanks to its solid top and all mahogany build its gorgeous'. '.strtoupper('a')nd the more you play this sigma 000m 15e the more youre rewarded with even richer tone and darker sonic warmth theres certainly something special about a solid topped acoustic'. '.strtoupper('i')f thats not enough this beauty also comes flaunting an aged distressed finish giving it iconic style synonymous with those acoustic legends from days gone by'. '.strtoupper('p')lus the 000m 15e also features a real bone nut which adds even more tonal charm with plenty of resonance and sustain'. '.strtoupper('a')nd its 000 14 fret body gives you a comfortable playing experience while its satin finish creates a silky smooth platform where effortless expression reigns.