So the speaking in tongues come up on the day of Pentecost which Nations comes together to Jerusalem. According to Bible verse Act:2:6 to 11, where people from another another country started speaking the language they didn't understand which is the work of the Holy Spirit and result of baptism

I still learn that we must follow orders from the Bible, like reading lessons that entails lesson of baptism before being baptized with water just the way John the Baptist used to do