Please assess the completion status of the following clinical trial:

Trial Title: Influence of Didgeridoo Practice on UA Obstruction Levels in Moderate OSA

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* moderate OSA, non obese~Exclusion Criteria:~* not willing play didgeridoo age\<18 significant lung, cardiac disease neuromuscular disease psychiatric disorders drugs with influence on respiratory drive

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 80 Years
- Healthy Volunteers: f

Study Arms:
- didgeridoo practice (Type: EXPERIMENTAL): None

Based on this trial design, predict the completion outcome and termination type (if applicable).