Assertion: harmonica | /r/HasProperty | design
Facets:
value: for playing in only one key
type: CAUSE
value: basically
type: DEGREE
Source sentences:
text: The harp is basically the same structure and design as the Turbo 20, but Turbo Dog sets up each BX individually.
text: Strictly speaking, "diatonic" denotes any harmonica that is designed for playing in only one key (though the standard "Richter-tuned" diatonic can be played in other keys by forcing its reeds to play tones that are not part of its basic scale; see Blues harp).