1 2 3 0 [4] 4 0 [4] [1]
5 6 7 0 [4] 8 0 [4] [1]
9 10 11 0 [4] 12 0 [4] [1]
We're gonna [1] [2] [3] [4] tonight!
Can you name $[1]$, $[2]$, $[3]$ and $[4]$?
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Sign up to join this community1 2 3 0 [4] 4 0 [4] [1]
5 6 7 0 [4] 8 0 [4] [1]
9 10 11 0 [4] 12 0 [4] [1]
We're gonna [1] [2] [3] [4] tonight!
Can you name $[1]$, $[2]$, $[3]$ and $[4]$?
[1] Rock [2] Around [3] The [4] Clock, from Bill Haley and the Comets - Rock around the clock.
One, Two, Three O'clock, Four O'clock rock,
Five, Six, Seven O'clock, Eight O'clock rock.
Nine, Ten, Eleven O'clock, Twelve O'clock rock,
We're gonna rock around the clock tonight.
I realize that JonMark Perry's answer is probably correct, but I still want to chip in with my answer:
[1] = 1
[2] = 3
[3] = 3
[4] = 7
because
The phrase
We're gonna [1] [2] [3] [4] tonight!
implies that the placeholders either stand for Words or numbers that can be read or spelled like words. Since the sequence does not make sense to me when I put in words, I think that the numbers can be read out. --> leetspeak comes into my mind. We're gonna leet tonight!