Your chest xray seems fine.
That's an unusual presentation of having sound in chest... But still it may be because of muscular sprain.
Any other symptoms other than chest Discomfort like
Breathing difficulty?
Cough?
Wheezing sound?
Next Steps
Get Pulmonary function test done.
If still it persists better to get CT chest
Health Tips
Avoid Weight lifting.
Regular cardio and breathing exercises.
consult chest physician.