On the 5th and 6th of December there was a big Christmas festival in ¡°Balboa park¡±. Several bands and choirs played and performed on both days. The band I watched was called ¡°Groovelily¡± which is three members band. They played piano and voice, drums. A viper is something like a violin with 6 strings. Of course the band mostly played their own songs which were great. Groovelily has their own sound I would consider to be