You seem to be quicker than me.
I got url with httpfox:
Code:
https://aa.cf.saavncdn.com/017/SONY_886446600017_01_001_64.mp3?Expires=1498223294&Signature=hZ3TsfzaWmgU8rZnRqvqqVv9TeV9qPil7J5HFuESbw28sPycH49qheiP5CY2IgvYfHc3ESM4tYQmtmbMashYxNaOxtDzDIWzglw8fqYpWhsalyw2xIhkxMmQmAZXr8R9PMx3QCMtsOr3IeS~gWngCA6SDRHr--weJSozDY1WU9cm1nBj2M5OwCuKQFLIWLGkBtS2OKJVHSe8KfzStg4EZLt~PedNknz7nn8WCaw98BWdcdmGdi4e-5cZuIFs7OKaTaSWpdvbTAJ-lkdJPQW-mA~q3n0fEEjRliH-Aocgq-PkWQ-A7JKxDGONlCBf-5~qbmzW~svgSc6-2mpbJ321RA__&Key-Pair-Id=APKAJB334VX63D3WJ5ZQ
Maybe sending them cookie stuff back, referer.. changing user agent or asking streamlink team.
sysanin is good with these types of stream, but you have to be quick to see his reply if he replies,
he deletes his replies shortly afterwards.