The song “Hello” by the uber-famous Adele is the first hit from her latest album 25. The album is a smash success. The video for “Hello” has been viewed more than 770 million times on YouTube (as of 12/22/15). In our digital music world, whenever there is such a successful song, a flood of aspiring and accomplished artists do covers. “Hello” may set a record for number of covers before it’s all over. Here are six that I’ve taken notice of and find to be interesting.