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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Pitch sources 9 letters:

PINETREES: Pitch sources
TAR: Pitch source
ADMAN: Pitch source
PINE: Pitch source
TAR: Source of pitch.
ORGAN: Source of ballpark pitches?
BASS: Source of low pitches?
TWEETER: Source of high pitches