OK, so there is about a trillion Beyonce songs that would be great for a road trip playlist. I chose the song "Love On Top" from her album "4," which came out in 2011. (SOUNDBITE OF SONG, "LOVE ON ...

This free app can convert almost anything into a Spotify playlist—including a simple text list of songs. It can also convert YouTube playlists into Spotify playlists, and convert Last.fm and ...