The theme for Day 17 was "things to climb". I kept hearing the Sound of Music song in my head, so this is what resulted:
Day 19 - "simple as this" was the prompt, which is apparently the title of a song by Jake Bugg (although I hadn't heard of either the singer or the song before! You can find the song on YouTube, if you'd like to listen to it. He sounds rather like Bob Dylan to me.).