Answer:
True
Explanation:
If a singer's range is higher or lower than what can be written on the traditional way given you have to use ledger lines to notate those extra notes because they're not within the five-line staff. Ledger lines are extra lines added above or below the staff for notes that are higher or lower than the notes on the staff.
See examples attached
Stylistically, the British artist David Hockney has been described as having roots in pop art, using highly graphic style referential to that of advertising. Linearly his mark-making is quite clean and sharp; examples of line type are contour lines and cross contour lines, which may come in the form of vertical, horizontal, curved, zigzag; Hockney uses throughout his art an array of these lines to create different effects.
Decorate it perhaps with supportive quotes, encouraging posters