Hello and welcome to the Baby McCaig sneak preview!

1.
I'm a path of sound, but not of feet
On a disc I dwell, a musical treat
Part of an album, yet stand alone
Follow me closely to find your tone.

2.
I'm the lowest of primes, yet not a simple bet
A twin I can be, but often alone I'm a set
In a game of cards I'm sometimes a score
And in a melody's journey, I'm often the encore.

3.
"gishtart" œuf brouillé

4.
From river to ocean, I went east to west
The first to accomplish, in Xavier's eyes best
With two simple letters, soon you'll reach your goal
Like all those who work here, to transport her coal.

5.
"Google's-daddy-like": 2 + 1 + 4

6.
https://www.youtube.com/watch?v=-orFtcORyuM @ x where:
x = OJ's wife Nicole was mysteriously murdered by an unknown assailant in...