Very nice analogy, and I think it captures why some "agile" teams I've worked on felt so productive - a small group could jam on something and have a shared und

Very nice analogy, and I think it captures why some "agile" teams I've worked on felt so productive - a small group could jam on something and have a shared understanding of the problem as we were working. However, as with a band, there's definitely an upper bound. 2, 4, 6 programmers - awesome. 12 programmers - starts to fall apart pretty quickly.