sentences:  Weaver's participants read a two-part polyphonic stimulus in which the musical patterns were strongly horizontal, and a four-part homophonic stimulus comprising plain, hymn-like chords, in which the compositional patterns were strongly vertical.Weaver was apparently unaware of the difficulty of proving this hypothesis in the light of the continual need to scan up and down between the staves and move forward along the score.Thus, it is unsurprising that the hypothesis was not confirmed.