I have such happy memories of performing in a choir and I don't think I'd have got where I am today without all that experience. So my advice to young singers is to either join your school or church's choir or find one in your local area. Choral music at any level teaches you so much about musicians
Accusations are made directly to Rome about theologians from persons who are not theologians. Some of these accusations are anonymous. The local bishop should be the one to relate to theologians to determine orthodoxy.