Tempo commodo
at a comfortable speed
tempo giusto
at a consistent speed
L’istesso tempo
at the same speed
Non troppo
not too much
Grave
slow and solemn
Rubato
with same freedom in the time
stringendo
pressing on faster
perdendosi
fading away
smorzando
dying away
rinforzando (rfz or rf)
reinforcing the tone
pesante
heavily
cantando
in a singing style
tenuto
held
piacevole
pleasant, agreeable
portamento
a smooth gliding from one note to another ( as in singing or string playing)
Dolente
sadly, plaintively
Doloroso
sadly in an undertone
sotto voce
softly in an undertone
Giocoso
gay, merry
Grazioso
gracefully
Assai
very
Quasi
as if, as it were
Scherzando
playfully
subito (sub)
suddenly