The term 'SOME MUSICAL NOTES' can be broken down into two crossword solutions: LAS (3 letters) and EIGHTHS (7 letters). LAS stands for 'Loud And Soft, ' which is a musical term used to describe the dynamic range of a piece of music. EIGHTHS refers to eighth notes, which are musical notes that last for half the duration of a quarter note. Eighth notes are often used in faster pieces of music to create a sense of urgency.