An exciting new local choral force launches this week in style with an international celebrity performance!   The ANGELICUS Chorale is an exciting new boutique choir for teenage girls born from the musical baton of legendary conductor John Hywel Williams and the creative energy of performance director Jeremy Hywel.   Launching in style this weekend at Y Ffwrnes Theatre (Saturday 16 April), ANGELICUS will join forces with internationally renowned singer Lesley Garrett for their official launch performance which is a…