Harry and Max often demand that bedtime songs be written on the fly to suit their whims. Last night, Max asked for a song about "M&Ms." Several months ago, during the duo's obsession with railroad crossings, I wrote a song about such crossings. Now, BOTH Rob and I have to sing the song separately each night, as if we are in a talent show competition. Max also sings along, which I find quite adorable, but you be the judge.