Please Come To Boston was a big hit for Dave Loggins in 1974. He wrote the song after his first big tour, with the Nitty Gritty Dirt Band, which hit the three cities mentioned. The girl waiting at home was fictional but made for a great story.
The guitar accompaniment was generic fingerpicking and the lesson presents quite a few different patterns and approaches, in the interest of creating your own version and varying it every time. There is a detailed look at two guitar parts that were played as the introduction, with the main one being in Dropped D Tuning. It is played with a capo at the second fret, as Loggins did when playing it live.