Terms indicating a Change in Volume

forte-piano

• fp
• Loudly-softly

Sforzando

• sfz.
  
• Loudly accented

Crecendo

• cresc.
• Becoming louder

Decrescendo

• decresc.
• Becoming softer

Diminuendo

• dim.
• Diminishing

Crecendo poco a poco

• cresc. poco a poco
• Louder little by little

Subito piano

• sub. p
• Suddenly soft

Subito forte

• sub. f
• Suddenly loud

Crecendo molto

• cresc. molto
• Becoming much louder

Crecendo e diminuendo

• cresc. e dim
• Gradually louder, then gradually softer