This puzzle introduces PP's very first editorial member-- GIANT INSIDER!

 3  Some nightshades using a beer is unsettling (10)

 9  "Perform observance for Lent or Ramadan. Don't wait! (3 4)

11 Eagles go wild about you, a major follower (7)

12 Will Enya blend for an American rapper? (3 5)

13 Aphrodisiac's target did not pass in counter oil (6)

15 Came with the sound of two mounted men fallen asleep (4 5 5)

17 Saint in Republicans' empty share a clandestine mission (5 9)

21 Alum barely has lower back (6)

22 Actress known for her Tootsie role developed rare grit (4 4)

24 Stubborn initial person joins farm inhabitant (7)

25 Pine ring takes silver way back when (4 3)

26 First off, it came down with hurricane's center's specialist (7 3)

27 Secondly, soapsuds work like a concerto (4)

 1  Birds and downs (8)

 2  Concerta singer Ora and nothing goes up (7)

 4  Sinclair (a rap pioneer) circles diameter causing trouble (2 2 2 4)

 5  Therefore, men developed eye centers that's hard to pin down (4)

 6  Reward! Gram almost turned it over novel genre holding answer (13)

 7  Bearing sixty minutes on the radio is hot feed (7)

 8  Okay about leaving already? (2 4)

10 Repeatedly, DNA came up between increases (5 3 5)

14 Merman nearly very metaphysically…(10)

16 ...from clean-shaven or moustachioed mammoth… (3 5)

18 ...put M&M in diadem for old Giants owner (3 4)

19 Something downloaded lawyer pages after hoppy order (4 3)

20 Supple mole with yours truly (6)

23 Clue room is missing? Why, it might be on the nose! (4)