Some people channel while they are working on art, music or other creative expressions. Most people experience this form of channeling in their everyday lives. People have always been able to channel. It is not a new or recent phenomenon. The Bible is full of channeled material and channeling experiences.
All people are spiritual beings who are a part of a very advanced higher self.
Each person is very connected to their higher self, even if it is not a very conscious connection. Anyone can learn to channel and open that connection, not only to their higher self, but to all higher dimensional beings and to All That Is. There is nothing to fear when you channel. If it is your intention to open to your higher self and work only with them, then only your higher self will be there with you while you are reaching out to them. The higher self connection is a very powerful one.