One of the first times I listened to the song, I noticed a grammatical ambiguity. There's a line that could be written as "You let the sunshine through" or - as it's printed on the record sleeve - "You let the sun shine through." In the first rendering, "sunshine" is a noun (specifically a direct object); in the second, "sun shine" is two words, a noun and verb pair. When heard, it could be understood either way, although the difference is admittedly negligible. However, there's an earlier, similar line without this ambiguity: "You made the sun shine through." Rendering this as "You made the sunshine through" doesn't make any grammatical sense. So - even without the printed lyrics - the parallelism between "You made the sun shine through" and "You let the sun shine through" argues for "sun shine" as two words in that later iteration.
I haven't figured out any parts to any of the Still Got That Hunger songs yet, but I was curious about the ending of "Chasing the Past," so I listened to sections of the song while picking out notes on the keyboard. I think the song's in G minor, but the final vocal note is a C, so it doesn't resolve. This is something of a musical representation of the spirit of the song itself. There's no contentment that a musical resolution would represent; rather, the singer/speaker has "Still got that hunger."
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*I always seem to have trouble linking to BBC clips, so for the record, this is "The Zombies in conversation with Stuart Maconie" on 29 July 2015. Here's an-other link that might work.
