If you like. There's no benefit from doing so.
I'm not sure that such an arrangement exists, as Bumblebee is an instrumental piece. There are no lyrics to it.
instrumental
Hal Hopson wrote a choral arrangement called "Canon of Praise" that is a great arrangement of the is piece. It can easily be adapted for a solo, duet, trio, or quartet.
Tensnake - Coma Cat
With a good vocal coach and a well developed voice, no. But if you haven't had any proper vocal training or anything, yes, it is quite challenging depending on the arrangement.
I then shall live. Lyrics by Gloria Gaither
People sing everyday, but singing to perform takes a commitment to train everyday. Breathing exercises, ear training, fitness, learning lyrics, proper posture, vocal scales, vocal health and vocal exercises are just the basics.
Yes, anything published in the USA prior to 1923 is public domain.
The song itself is in the public domain; arrangements of it may still be protected.
Gaither vocal band
Dylan Bell has written: 'A cappella arranging' -- subject(s): Choral music, Vocal music, Arrangement (Music)
Find the lyrics online and listen to the song while reading the lyrics. That's how I get a better understanding of what they are saying. You can understand some better than others, it just depends on the vocal training of the singer.