Complex sentence: These Choirs have had numerous opportunity to sing all over Europe, they have mostly traveled to England and sang in many churches within England, but are planing to travel further to places such as Germany, and Austria.
Split into simpler sentences: These Choirs have had numerous opportunity to sing all over Europe, they have mostly traveled to England and performed in many churches within England. However they are planing to travel further to places such as Germany, and Austria.