all paths can be described as D,E,F,G,H,I,J,K where:
D = the first guest
E = the second guest
F = the tape played at the first break
G = the third guest
H = the fourth guest
I = the tape played at the second break
J = the fifth guest
K = the sixth guest

also, whenever i put an X, you can pick whichever one you want

2,6,X,4,1,X,3,5

3,4,X,1,5,X,6,2

4,1,X,5,6,X,2,3

5,3,X,6,2,X,1,4

6,5,X,2,3,X,4,1

get all the endings above

all endings below will give you "An Eamon Episode"

1,2,A,3,4,A,6,5

all the endings below, endings Fight!!! and Carnage, most endings when picking B on both breaks and all endings when picking C on both breaks will give you "A Pissed Peter Clement"

5,3,X,6,2,X,4,1

1,2,C,3,4,C,6,5

2,6,X,4,1,X,5,3
(at least one of the tapes must be B)

X,X,X,3,X,X,X,X
(NOT: 1,2,X,3,X,X,X,X)

make sure that you have played every tape during your playthrough

click the mp3 player on the right and keep looking up and down until you get the achievement.