The latest three arrangements of David Johnstone are all of Spanish music:

Ernesto HALLFTER
Ai Que Linda Moça (Song) – Soprano, Cello and Piano. There exists a sister version, for clarinet, cello and piano
See ‘Cello en other formations’
[all in One Download = €1.00]
Jaime OVALLÉ
Azulão (Song) – for Soprano, Cello and Piano
See ‘Cello en other formations’
[One Download = €1.00]
There also exists a sister version, this for Four Cellos (cello quartet)
See: 4 Cellos
Ver: ‘4 Violoncellos’
[One Download = €1.00]

José de OLAIZOLA
Haurtxo Polita (Basque Song) – String Quartet [2 violins, viola, cello]
See ‘Cello en other formations’
[Two Downloads = €2.00]
 There also exists a sister version, this for Four Cellos (cello quartet)
[Two Downloads = €2.00]

Enjoy the music!