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Guitar 101 by Jimmy Brown The Beat Goes On In the last Guitar 101 (February 2000), we learned how to count and play basic rhythms in 4/4 meter and subdivide beats into eighth notes by counting one and, two and, three and, four and, one and, two and, three and, four and, etc. We also learned how to create syncopation by using ties to combine rhythmic values (durations) in order to emphasize the weak parts of the measuresuch as the eighth-note upbeats (the and counts). This month were going to expand our rhythmic repertoire and learn how to count and read 16th notes, rests and dotted rhythms. Were also going to learn a very useful practicing technique that can help you sight-read transcriptions more easily and accurately.
A measure of 4/4 time can be subdivided into sixteen 16th notes, as illustrated in FIGURE 1. Counting one ee and uh, two ee and uh, three ee and uh, four ee and uh, one ee and uh, two ee and uh, three ee and uh, four ee and uh, etc. enables us to keep track of each individual 16th note while maintaining a steady pulse. (You may find it helpful to visualize a measure of 4/4 time as being an inch on a ruler, with each quarter-inch mark representing a quarter-note beat, and each 16th-inch mark representing a 16th note.)
Music is a combination of sound and silence. Every rhythmic value (whole note, half note, quarter note, eighth note, etc.) has a corresponding rest that represents a moment of silence of the same duration. FIGURE 2 shows all the rhythmic values weve covered thus far and their equivalent rests. Notice that when rests are used, eighth notes and 16th notes sometimes stand alone, in which case theyre indicated by flags instead of beams. When playing through FIGURE 2, be sure to silence your instrument during the rests and to count and tap your foot in a steady rhythm as indicated, even while resting.
A dot placed to the right of a notehead or tab number means that its rhythmic value is increased by one half (multiplied by 1.5). Thus, a dotted half note is held for three beats; a dotted quarter note is held for one and one half beats; and a dotted eighth note is held for three fourths of one beat (see FIGURE 3).
Syncopated rhythms can often be expressed using dotted notes instead of ties, as depicted in FIGURE 4. As you can see, this form of notation is more economical because there are fewer items to read. As this example also shows, rests can be dotted as well. |
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