乐曲本体：Happy is one of the bistro saucer 3rd Set unlocks of jubeat saucer. It could be unlocked from December 1st to 31st, 2012. In jubeat saucer fulfill, it can be unlocked as part of saucer macchiato's Side Menu from April 23rd, 2014. In jubeat prop, it can be unlocked by playing it as a BONUS TUNE from May 28th, 2015. In jubeat Qubell, it is one of the Garnet unlocks of the dig dig Qubell unlocking system. In jubeat clan, it can be unlocked in the jubeat SHOP. In jubeat festo, it can be purchased at the emo MART. It could also be unlocked in jubeat festo from December 28th, 2020 to March 1st, 2021 as part of the Stamp Challenge unlocking system, by obtaining 5 stamps. In jubeat Ave. and beyond the Ave., it is one of the CONCIERGE unlocks of the LIGHT CHAT unlocking system from August 17th, 2022. | In jubeat saucer fulfill, it can be unlocked as part of saucer macchiato's Side Menu from April 23rd, 2014. | In jubeat prop, it can be unlocked by playing it as a BONUS TUNE from May 28th, 2015. | In jubeat Qubell, it is one of the Garnet unlocks of the dig dig Qubell unlocking system. | In jubeat clan, it can be unlocked in the jubeat SHOP. | In jubeat festo, it can be purchased at the emo MART. It could also be unlocked in jubeat festo from December 28th, 2020 to March 1st, 2021 as part of the Stamp Challenge unlocking system, by obtaining 5 stamps. | It could also be unlocked in jubeat festo from December 28th, 2020 to March 1st, 2021 as part of the Stamp Challenge unlocking system, by obtaining 5 stamps. | In jubeat Ave. and beyond the Ave., it is one of the CONCIERGE unlocks of the LIGHT CHAT unlocking system from August 17th, 2022. | Happy was one of the songs part of jubeat saucer's Song Swap system. For further information on which dates it was removed or revived, please see this page.