Answer to Question 1
The distinctive character of Peruvian harp-accompaniment style
The vocal quality of the female singer of wayno:
Distinctive melodic turns of the vocal phrase
Portamentosliding to tones
Focused, clear vocal quality
Answer to Question 2
(1) The harp is prominent in the two selections, both as an accompanying and lead instrument.
(2) Both examples illustrate the familiar Andean bimodality--minor scale/key and its relative major (B minor/D major in the case of Amor imposible
(3) In both Muyu muyari warmigu/Vuelve, querida mujer and Amor imposible the accompanying rhythms are tapped on the harp soundbox rather than on a drum.
(4) Accompanying rhythmic patterns in both selections involve three-note marker patterns: short-long-short in Muyu muyari warmigu; long-short-short or triplet of three notes, short-short-short, in Amor imposible.