One of the most aggravating things to deal with when writing a song is coming up with proper transitions, usually between verses and choruses. However, transitions can also occur as key changes, progressions, and tempo changes. This is not an exhaustive tutorial on the subject matter but rather an overview of some of your options.
Regardless of what kind of change you are dealing with, you should always consider an intermediary change, or bridge. Yes, this adds yet another chan...