Music Player

Functional Requirements

• The system shall be able to allow the user to use the calorie-currency that is earned from burning calories to unlock songs
• The system shall be able to play the predetermined songs by the developers
• The system shall allow the users to only play their unlocked songs
• The system shall play the selected and unlocked song concurrently with the ongoing exercise
• The system shall allow the user to switch songs on demand
• The app shall maintain a song library.

Non-functional requirements

• The sound quality should provide an enjoyable experience for the user, maintaining a minimum average rating of 8/10 in studies conducted on populations greater than 100
• The system shall allow the user to control the current song (skip, previous, pause, resume)
• The song library shall be easily extensible