\consists style question

[Menu Jacques]

Hello folks,

In the snippet below, two identical scores are produced using different coding 
styles as to where the \consists commands are placed.

Is one of the latter to be preferred?

Thanks you help!

JM

%%%%%%%%%%%%%%%%%%%%%

\version "2.19.44"

musicI = {
  <e' g>4\arpeggio <d f> <d f>2
}
musicII = {
  <d, f>2\arpeggio <g b>2
}

\score {
  <<
    \new Staff \with {
      \consists "Span_arpeggio_engraver"
    }
    \relative c' {
      \set Staff.connectArpeggios = ##t
      <<
        { \musicI }
        \\
        { \musicII }
      >>
    }
  >>
}



\score {
  <<
    \new Staff <<
      \relative c' {
        \set Staff.connectArpeggios = ##t
        <<
          { \musicI }
          \\
          { \musicII }
        >>
      }
    >>
  >>

  \layout {
    \context {
      \Staff
      \consists "Span_arpeggio_engraver"
    }
  }
}


%%%%%%%%%%%%%%%%%%%%%