Use "a cappella" in a sentence

1. “I used to sing before all of this, a cappella, jazz, I did the nightclub thing for a year

2. Some time ago, I heard someone say a song without music was a cappella

3. Elandria’s voice echoed off the walls of the room, filling it completely with her celestial a cappella melody

4. It felt like a sign from Fred, so I decided to sing “Wonderful World” a cappella at the service

5. ” The solo baritone was a cappella, and profoundly moving

6. How stupid of me, he thought, not to have guessed or imagined that my songsters we're wanderers who each autumn fled south and each springtime swarmed north in A Cappella choirs of sound