The topic is Barbershop music, kinda like rap and stuff like that. 
I think Barbershop music is so beautiful.  The harmonies are so pretty!
Jimmy Fallon does them on his show every once in a while, Have you ever seen any of them?
ha ha!!  Oh I get you that kind  of Barbershop music.  I am think the acapella kind!
haha yes exactly, with the guys wearing the pinstripe suits.
Yes, a barbershop quartet sung by four singers each with their own vocal part!  I am sure the Jimmy Fallon version is quite funny though!
Yeah I think it takes a lot of practice between the 4 people to make it sound awesome!
Oh I am sure it does. They each have their own role.  Including one of my favorite which is the baritone.
Hes the lowest vocal part right? Yes that is my favorite as well.
Barbershop music
Barbershop vocal harmony, as codified during the barbershop revival era (1930s–present), is a style of a cappella close harmony, or unaccompanied vocal music, characterized by consonant four-part chords for every melody note in a predominantly homophonic texture. Each of the four parts has its own role: generally, the lead sings the melody, the tenor harmonizes above the melody, the bass sings the lowest harmonizing notes, and the baritone completes the chord, usually below the lead. The melody is not
purity' of tone and genetic proximity that smoothed their voices was almost creepy, pseudo-castrato, [and] a 'barbershop' sound." Jimmy Webb said, "They used very little vibrato and sing in very straight tones. The voices all lie down beside each other very easily – there's no bumping between them because the pitch is very precise." According to Brian: "Jack Good once told us, 'You sing like eunuchs in a Sistine Chapel,' which was a pretty good quote.