This is the tab for Bombay Bicycle Club's cover of Whatcha Say by Jason Derulo that they 
for BBC Radio Live Lounge. It uses simple chords, with hammer-ons and pull-offs which 
it look much more complicated than it is.
CAPO 4th FRET

Intro
"Wha-Wha-Wha-Wha What did you say?"

(Pause)

E-------0---------------0---------------0-----------------------|
B-1-----1-1---1---1-----1-1-----1-------1---0---------3---------|
G-0h2-2-2-0h2-0---0---0-0-0-----0---2-2-2-2-2---------0---------|
D-3---3---3---3---0h2-2---0h2-2-----2-2---2-2---0---0-0-0---0h2-| x2
A-----------------3---3---3---3-----0-0---0-----0h2-2---0h2-0---|
E-----------------------------------------------3---3---3-------|

Chorus
"Mmm, whatcha say?..."
E-------0---------------0---------------0-----------------------|
B-1-----1-1---1---1-----1-1-----1-------1---0---------3---------|
G-0h2-2-2-0h2-0---0---0-0-0-----0---2-2-2-2-2---------0---------|
D-3---3---3---3---0h2-2---0h2-2-----2-2---2-2---0---0-0-0---0h2-| x2
A-----------------3---3---3---3-----0-0---0-----0h2-2---0h2-0---|
E-----------------------------------------------3---3---3-------|

Post-chorus
E-------0---------------0-----------------0---------------0----------|
B-1-----1-1---1---1-----1-1-----1---1-----1-1---1---1-----1-1-----1--|
G-0h2-2-2-0h2-0---0---0-0-0-----0---0h2-2-2-0h2-0---0---0-0-0-----0--|
D-3---3---3---3---0h2-2---0h2-2-----3---3---3---3---0h2-2---0h2-2----|
A-----------------3---3---3---3---------------------3---3---3---3----|
E--------------------------------------------------------------------|

Verse
"And I (I) was so wrong...
E-------0---------------0---------------0-----------------------|
B-1-----1-1---1---1-----1-1-----1-------1---0---------3---------|
G-0h2-2-2-0h2-0---0---0-0-0-----0---2-2-2-2-2---------0---------|
D-3---3---3---3---0h2-2---0h2-2-----2-2---2-2---0---0-0-0---0h2-|
A-----------------3---3---3---3-----0-0---0-----0h2-2---0h2-0---|
E-----------------------------------------------3---3---3-------|

E-------0---------------0---------------------------------------|
B-1-----1-1---1---1-----1-1-----1---1~----------3~--------------|
G-0h2-2-2-0h2-0---0---0-0-0-----0---2~----------0~--------------|
D-3---3---3---3---0h2-2---0h2-2-----2~----------0~--------------|
A-----------------3---3---3---3-----0~----------2~--------------|
E-----------------------------------------------3~--------------|

E---------------------------------------------------------------|
B-1---------------1-------x---------1-----x-----3-------x-------|
G-2---------------0-------x---------2-----x-----0-------x-------|
D-3---------------2-------x---------2-----x-----0-------x-------|
A-----------------3-------x---------0-----x-----2-------x-------|
E-----------------------------------------------3-------x-------|

E---------------------------------------------------------------|
B-1-------x-------1-------x---------1-----------3~--------------|
G-2-------x-------0-------x---------2-----------0~--------------|
D-3-------x-------2-------x---------2-----------0~--------------|
A-----------------3-------x---------0-----------2~--------------|
E-----------------------------------------------3~--------------|

Pre-chorus
"Cos when the roof caved in..."
E-------0---------------0---------------0-----------------------|
B-1-----1-1---1---1-----1-1-----1-------1---0---------3---------|
G-0h2-2-2-0h2-0---0---0-0-0-----0---2-2-2-2-2---------0---------|
D-3---3---3---3---0h2-2---0h2-2-----2-2---2-2---0---0-0-0---0h2-| x2
A-----------------3---3---3---3-----0-0---0-----0h2-2---0h2-0---|
E-----------------------------------------------3---3---3-------|

Chorus
"Mmm, whatcha say?..."
E-------0---------------0---------------0-----------------------|
B-1-----1-1---1---1-----1-1-----1-------1---0---------3---------|
G-0h2-2-2-0h2-0---0---0-0-0-----0---2-2-2-2-2---------0---------|
D-3---3---3---3---0h2-2---0h2-2-----2-2---2-2---0---0-0-0---0h2-| x2
A-----------------3---3---3---3-----0-0---0-----0h2-2---0h2-0---|
E-----------------------------------------------3---3---3-------|

Post-chorus
E-------0---------------0-----------------0---------------0----------|
B-1-----1-1---1---1-----1-1-----1---1-----1-1---1---1-----1-1-----1--|
G-0h2-2-2-0h2-0---0---0-0-0-----0---0h2-2-2-0h2-0---0---0-0-0-----0--|
D-3---3---3---3---0h2-2---0h2-2-----3---3---3---3---0h2-2---0h2-2----|
A-----------------3---3---3---3---------------------3---3---3---3----|
E--------------------------------------------------------------------|

Verse
"And how (how) could I live..."
E-------0---------------0---------------0-----------------------|
B-1-----1-1---1---1-----1-1-----1-------1---0---------3---------|
G-0h2-2-2-0h2-0---0---0-0-0-----0---2-2-2-2-2---------0---------|
D-3---3---3---3---0h2-2---0h2-2-----2-2---2-2---0---0-0-0---0h2-|
A-----------------3---3---3---3-----0-0---0-----0h2-2---0h2-0---|
E-----------------------------------------------3---3---3-------|

E-------0---------------0---------------------------------------|
B-1-----1-1---1---1-----1-1-----1---1~--1-1-----3~--------------|
G-0h2-2-2-0h2-0---0---0-0-0-----0---2~--2-2-----0~--------------|
D-3---3---3---3---0h2-2---0h2-2-----2~--2-2-----0~--------------|
A-----------------3---3---3---3-----0~----0-----2~--------------|
E-----------------------------------------------3~--------------|

E---------------------------------------------------------------|
B-1-----x---------1-------x---------1-----x-----3-------x-------|
G-2-----x---------0-------x---------2-----x-----0-------x-------|
D-3-----x---------2-------x---------2-----x-----0-------x-------|
A-----------------3-------x---------0-----x-----2-------x-------|
E-----------------------------------------------3-------x-------|

E---------------------------------------------------------------|
B-1-------x-------1-------x---------1-----------3~--------------|
G-2-------x-------0-------x---------2-----------0~--------------|
D-3-------x-------2-------x---------2-----------0~--------------|
A-----------------3-------x---------0-----------2~--------------|
E-----------------------------------------------3~--------------|

Pre-chorus
"Cos when the roof caved in..."
E-------0---------------0---------------0-----------------------|
B-1-----1-1---1---1-----1-1-----1-------1---0---------3---------|
G-0h2-2-2-0h2-0---0---0-0-0-----0---2-2-2-2-2---------0---------|
D-3---3---3---3---0h2-2---0h2-2-----2-2---2-2---0---0-0-0---0h2-| x2
A-----------------3---3---3---3-----0-0---0-----0h2-2---0h2-0---|
E-----------------------------------------------3---3---3-------|

Chorus
"Mmm, whatcha say?..."
E-------0---------------0---------------0-----------------------|
B-1-----1-1---1---1-----1-1-----1-------1---0---------3---------|
G-0h2-2-2-0h2-0---0---0-0-0-----0---2-2-2-2-2---------0---------|
D-3---3---3---3---0h2-2---0h2-2-----2-2---2-2---0---0-0-0---0h2-| x2
A-----------------3---3---3---3-----0-0---0-----0h2-2---0h2-0---|
E-----------------------------------------------3---3---3-------|

Outro
"Mmm, whatcha say?..."
E-------0---------------0---------------0-----------------------|
B-1-----1-1---1---1-----1-1-----1-------1---0---------3---------|
G-0h2-2-2-0h2-0---0---0-0-0-----0---2-2-2-2-2---------0---------|
D-3---3---3---3---0h2-2---0h2-2-----2-2---2-2---0---0-0-0---0h2-|
A-----------------3---3---3---3-----0-0---0-----0h2-2---0h2-0---|
E-----------------------------------------------3---3---3-------|

E-------0-------------------------------------------------------|
B-1-----1-1---1---1~----------------1~----------3~--------------|
G-0h2-2-2-0h2-0---0~----------------2~----------0~--------------|
D-3---3---3---3---2~----------------2~----------0~--------------|
A-----------------3~----------------0~----------2~--------------|
E-----------------------------------------------3~--------------|

That's it, rate and leave a comment if you wish. let me know if you have any corrections!