gLyrics is a library for extracting lyrics from websites. It also comes with built-in support for searching for lyrics using the google custom search API (Note: Requires API token).
There's also a command line tool with the same name which uses the gLyrics API to show lyrics.
Make sure you are in a working Go environment.
gLyrics was written using Go version
go get github.com/gieseladev/glyrics
Command Line Tool