16 and never had a girlfriend help! could use some advice?

ok so i guess im gust a little depressed just being in high school seeing everyone dating and being all alone in that dep. well ill tell you a little about myself i a guy 16 pretty thin i guess a lot of people see me as a "nice guy" i think im just not a douse bag like every Other guy my age. i like music i play guitar and cello. but anyways ive never had a girl friend i just don't connect with any girls my age plus girls never show any interest in me