One difference is that the amount of vitamin B12 in Centrum Silver (25 mcg) is much lower than the amount used in the positive studies (100 and 500 mcg, respectively). Loss of cognitive function is a well-known effect of vitamin B12 deficiency.
Click on the download link. Allow the song to download to your cell phone. Close your web browser and locate the song on your cell phone (usually under sounds, music, mp3s, or multimedia). Select the song to play it.
Downloading tunes to your phone may be a better option if you're on the go, but be sure to take care of downloads when you're connected to Wi-Fi. Downloading a single song uses about 5MB of data, so a whole album's worth of music will add up quickly.