Syntax and Usage Question for guitar transcription

[stracey]

I have two questions:

1. In the sample below, how would I make the last set of notes(<g-0  
e'-0>) be part of the previous measure.
2. Since I am typesetting classical guitar, would it be better to use  
voices for the bass and melody? For this particular piece, I will have  
about 5 measures where I have to use \tweak to get the music to render  
the arrangement properly.

%-----------------------------------------------------------------
\version "2.18.2"

#(set-global-staff-size 24)

symbols = {
  <d-0 a-2 \tweak #'duration-log #4 f'-1>2 g'4-4 <\tweak  
#'duration-log #1 c-3 a-2 f'-1>4 <g-0 e'-0>
}

\score {
  <<
    \new Staff {
         \set Staff.midiInstrument =#"acoustic guitar (nylon)"
         \clef "G_8" \key c \major \time 4/4 \tempo "Expressive" \symbols }
    \new TabStaff { \symbols }
  >>
  %\midi { }
}
%-----------------------------------------------------------------