Green Days / Strings

"Green Days" / "Strings"
Single by Lead
from the album The Showcase
B-side	"Strings" (Normal; Type A, B & C) "Ame Nochi-kun" (Jacket A) "Giant Steps" (Jacket B) "Azayakana Sekai" (Jacket C)
Released	September 18, 2013
Recorded	2013
Genre	J-pop, hip hop
Label	Pony Canyon
Lead singles chronology
"Upturn" (2013) "Green Days" / "Strings" (2013) "Sakura" (2014)

"Green Days" / "Strings" is the twenty-second single by Japanese hip hop group Lead, released on September 18, 2013. The single continued their top-charting releases, reaching No. 4 for the week and remaining on the chart for four weeks.

The single was released in four formats: a standard CD, two limited CD+DVD combo packs and a limited CD edition, each containing different content. Each edition contained different cover art. While every edition contained the track "Strings", the limited editions harbored varying B-sides. The CD+DVD versions not only contained differing tracks on the CD, but also carried differing content on the DVD portion.