Assertion: harmonica's sound | /r/CapableOf | sound weird
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Source sentences:
text: While a player can always widen his or her mouth over several holes (usually at the physical limit of five) and play chords and intervals all the time, the music usually sounds better when the melody is played one note at a time; while intervals may sound great for most beginner songs (usually written in the key of C or G, easily played on a key of C harmonica) as it "thickens" the sound, songs that are just slightly more advanced will sound weird if the interval is done improperly.