Ex 19 Bars 3 and 4 Ex 19 Rock - Rockabilly Ex 19-1-2 Ex 19-11 Ex 19-3-4 Ex 19-5-6 Ex 19-9-10 Ex 191 Folk - Folk Strumming Ex 193 Classical - Classical Guitar Ex 1993 Ex 19: Chromatic 12-Tone Scales in the Male Mixed Voice (a) Ex 19: Chromatic 12-Tone Scales in the Male Mixed Voice (b) Ex 19: Drawbridge