Music played on rpi 3 is dropping, skipping, clipping,etc

When I play song via bt in rpi 3, the song is skipping and clipping and some part of song is not played.
Only first 20sec it is playing well after some it is skipping. Pls someone help me…but I can’t buy anything extra like by dongle…

Hi, can you provide more details? E.g. are you using rpi 3 as bluetooth speaker? What software do you use for this?