....... and this is the fourth part and final part of this topic. In the final part, I share about 5 promising boyband/girlband Indonesia in 2011. From many boyband and girlband, I pick five actually six who based on my analysis they are the most promising boyband/girlband in 2011. All of this just based on my analysis and my opinion. Without any more discussion, here they are the promising boyband/girlband Indonesia in 2011....