Justin Timberlake has Roots drummer Questlove to thank for blowing the lid off his plans to release a surprise sequel to The 20/20 Experience. The Late Night with Jimmy Fallon bandleader said yesterday on his website, “spoiler alert. 20/20 Vol 2 comes out in nov. (10 songs now…..10 songs later= 20 vision)” [sic]. So, if you’ve got any secrets, don’t tell Questlove. Timberlake cleared the air during an interview with Ryan Seacrest, telling the host that Questlove was right. There will, in fact, be a “Part 2” to his latest album, and it will release sometime this fall …