cantabile (adj.)

• agreeable
• appealing
• ariose
• canorous
• catchy
• dulcet
• euphonic
• euphonious
• euphonous
• golden
• honeyed
• mellifluous
• mellisonant
• mellow
• melodic
• melodious
• musical
• pleasant
• rich
• silver-tongued
• silvery
• singable
• solo
• songful
• songlike
• sonorous
• sweet
• tuneful