IS IT A SIN THAT KOREDE BELLO PERFORMED 'GODWIN' IN A CHURCH?

Marvin artist, Korede Bello recently release his hit single, 'Godwin'. He has been going to several shows to perform and just recently he performed at a church and since then he has been getting more back lash than good commendation for performing in a church as he is a 'worldly singer' so to say.
View Korede's post this morning on this issue below...

He posted this with the caption 'Mixed reactions about me glorifying God in the church! Are my not allowed to give my testimony? Bellovers.