Since Summer 2015, the Summer albums have been released in both double-disc versions, and single-disc versions without the "best of".
sˈɪns sˈʌmɚ tˈuː θˈaʊzənd fˈɪftiːn, ðə sˈʌmɚɹ ˈælbəmz hɐvbɪn ɹᵻlˈiːst ɪn bˈoʊθ dˈʌbəldˈɪsk vˈɜːʒənz, ænd sˈɪŋɡəldˈɪsk vˈɜːʒənz wɪðˈaʊt ðə "bˈɛst ʌv".