hi, everybody........ i've been trying 2 play vellai pokkal song for a long time ..i looked for the chords and it says its in E..i've tried this and its ok for the startin part, but i dunno when should i change the chord 2 B and back 2 E again and what is the strumming pattern when it reaches B...i hope any1 would help me with this....its my favourite song...