My firm belief is that inspiration for writing and producing music is everywhere if you allow yourself to receive the information needed.
This article demonstrates some ways to create the right environment to receive the inspiration.
As mentioned in the article…
Every songwriter deals with the proverbial creative crisis from time to time. Fortunately, there are many sources of inspiration around us. Draw ideas from your own experiences and emotions, use creative lyric exercises, and think differently to create new songs.
Source: How To Find Inspiration To Produce Music? – The Blogging Musician
The quote below sums up beautifully how great lyrics can be written. You need to really care about the subject you’re writing the song about…
Some artists say they have trouble writing about lyrics because they don’t know what to write about. But the truth is that if you care about something, you’ll always have topics to base your lyrics on.
The trick is paying attention to your life and the world around you. Great lyrics start with music-makers getting to the heart of what they care about and writing things down.
Pay attention to your life, really become aware of you, your surroundings and your activities within them. Lyrical ideas will follow on from there.
Source: How to Write Great Song Lyrics in 5 Steps | LANDR Blog
This is a great article essentially outlining 15 tips to get great (song) writing ideas derived from Zen philosophy.
I really do believe that a lot of Zen and Buddhist philosophy in general can be used to define and develop your songwriting process. This article proves that.
It also mentions the fundamental battle that we all have with our creative and analytical sides of our personality as described below…
As writers, we suffer from a split personality. On one side is the Creator who wants to splash wild ideas all over the page and falls in love with every sentence, and on the other side is the Editor who sits there with pursed lips and ticks off the mistakes. It’s really important to keep these two apart!
When you’re finding and developing an idea, send the Editor on holiday. When you want to refine what you have written, stuff the Creator into a cage.
Source: Topics to Write About — 15 Tips to Get Great Writing Ideas