To determine the total number of quarter notes in the notation excerpt you provided, let's analyze each measure one by one:
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Measure 1: Contains two half notes. Each half note is equivalent to two quarter notes. Thus:
- 2 half notes = 2 × 2 = 4 quarter notes.
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Measure 2: Contains four eighth notes, one quarter note, and one quarter rest. The four eighth notes are equivalent to:
- 4 eighth notes = 4 × 0.5 = 2 quarter notes.
- Plus 1 quarter note = 1 quarter note.
- Total for Measure 2 = 2 + 1 = 3 quarter notes.
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Measure 3: Contains two quarter notes, two eighth notes, and one quarter note. The two eighth notes are equivalent to:
- 2 eighth notes = 2 × 0.5 = 1 quarter note.
- Plus 2 quarter notes = 2 quarter notes.
- Total for Measure 3 = 1 + 2 = 3 quarter notes.
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Measure 4: Contains one whole note. A whole note is equivalent to four quarter notes:
- 1 whole note = 4 quarter notes.
Now, let's sum the total number of quarter notes from all measures:
- Measure 1: 4 quarter notes
- Measure 2: 3 quarter notes
- Measure 3: 3 quarter notes
- Measure 4: 4 quarter notes
Total = 4 + 3 + 3 + 4 = 14 quarter notes.
Therefore, the total number of quarter notes in the notation excerpt is 14.