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“From Jass to Jazz: The Beginnings” will be presented at 10 a.m. Monday at a gathering of the Opus I Music Society at LifePointe (formerly Mars) Alliance Church, 997 Route 228. Visit www.PFMC-music.org.

Greater Harmony Chorus of Sweet Adelines International will deliver singing Valentines on Tuesday. For $50, the recipient gets two songs, a red rose and chocolate. For more information, call 412-606-7963.