Each of these five songs for people suffering from pain or insomnia starts slow and continually gets slower and s-l-o-w-e-r. This is the musical principle of entrainment: our bodies synchronize with the music's rhythm and gently move through four stages. First, a deliberate focus on the music; second, reflection; third, meditation; and finally, sleep. This process is most effective in a quiet environment so the listener can focus on the slow beats of the music. Briggs is a therapeutic harpist who works with illness, grief, loss and transitions.