One of the main problems I have when writing songs (the music not the lyrics), is knowing what not to include in the final version of the song. In a number of songs I have written, it just drags on too long, but I don't know what parts/riffs not to keep.
Does anyone have any ideas of how I could sort this out??
My current acoustic group:

Fiftieth Parallel

Martin Guitars
Elixer Strings
Acoustic amplification
BOSS pedals