Synonyms of tuneful

2 Syllables
choral, lilting, mellow, odic, poetic, lyric, pleasing, dulcet, songful, tuned, catchy
3 Syllables
well-tuned, musical, harmonic, mellifluous, dactylic, epodic, lyrical, canorous, euphonious, resonant, epical, euphonic, symphonic, sonorous, assonant, harmonious, melodious, sweet-sounding, symphonious, songlike, concordant, mellowing, iambic, poetical, silvery
4 Syllables
anapestic, operatic, euphonical, full-flavored