This group will be asked to practice a rhythmic auditory SFT intervention task at home.

This group will not engage in an intervention task at home and will be asked to continue their normal daily routine.

Participants in the intervention arm will be asked to practice a rhythmic auditory synchronous finger tapping intervention task at home for a total of 25 minutes split between two ten-minute sets with a five-minute break between the sets every day for 8-weeks. During training sessions participants must listen to the instrumental of a pre-selected well-known Chinese melody, "Moonlight over the Lotus Pond" by Phoenix Legend, whose melody duration is 259s. This song was selected for its strong beat and familiarity to the participants. Participants must follow the beats of the melody and tap their right index finger simultaneously to the beats. A visual cue will be displayed to indicate the beats, identical to the one in the assessment. The training session will be conducted once daily after patients have taken their medication. Participants' primary caretaker will be asked to monitor and record completion of sessions.

An ETG-4000 fNIRS system will be used to measure hemoglobin (HBO2) levels in the participant as they perform finger motor control timing assessments. A change, specifically a reduction of HBO2 activation, from baseline measurements indicates reduced cortical activation and suggests improved PD-related symptoms.

Participants will be asked to tap their right index finger on a standard QWERTY keyboard "1" key when a visual cue appears. The response time for tapping the "1" key, in response to seeing the visual cue, will be measured to assess motor-timing control. Accuracy of response will be dependent on minimizing early or delayed taps (measured in milliseconds) in congruence with the determined rhythm. A change in score, particularly greater accuracy in timing, from baseline indicates better or improved motor control performance.

Participants will be asked to tap their right index finger on a standard QWERTY keyboard "1" key when a visual cue appears. The participants will then be asked to maintain the tapping rhythm without the visual cue for 15 seconds. The timing of tapping the "1" key, without the visual cue, will be measured to assess motor-timing control. Accuracy of response will be dependent on minimizing early or delayed taps (measured in milliseconds) in congruence with the determined rhythm. A change in score, particularly greater accuracy in timing, from baseline indicates better or improved motor control performance.

UPDRS objectively assesses the severity of PD based off the disease's burden on the individual and can describe disease progression and treatment response. A total of 42 ratings are split between multiple categories. Examples of categories measured include mental impairments (mood and intelligence), activities in daily living (speech, salivation, level of independence to perform normal tasks such as turning in bed), motor skills (facial, tremor severity in extremities, rigidity) and other complications. Each category has a 0-4 rating determined by the examiner and summed, where a higher score reflects greater disability (maxed at 195 points). A change in the score, i.e. lower score from baseline, indicates beneficial effects of the intervention.

MoCA assesses for an individual's cognitive abilities including orientation, concentration and attention, executive functions, memory, conceptual thinking, calculations, language, and visuo-constructional skills. The test is administered for 10-minutes as a one-page 30-point test. The point distribution is as follows. A short-term memory recall task with five nouns and delayed recall after five minutes (5 points). A clock drawing task (3 points) and a three-dimensional cube copy (1 point) are used to assess visuospatial abilities. Executive functioning is measured using the Trail Making B task (1 point), a phonemic fluency task (1 point), and a two-item abstraction task (2 points). A three-item confrontation naming task (3 points) as well as repeating two sentences with complex syntax (2 points) are used to measure language. Lastly, time and place orientation (6 points) is assessed. A larger total score (> or = 26 is normal) indicates healthy or normal cognition.