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| Songs from | Sesame Street |
| Released | 1977 |
| Format | LP |
| Label | Sesame Street Records |
| Cat no. | CTW 160-B |
Letters, Numbers and Signs is a 3-LP boxed set, containing The Muppet Alphabet Album, Numbers!, and Signs!. It also includes a set of stencil letters, sign stickers, and number dominoes.
Record One: "Letters!"
Side One
- The Sound of the Letter A - Big Bird
Music and Lyrics by Jeff Moss - Oscar's B Sandwich - Oscar
Music by Joe Raposo, Lyrics by Jerry Juhl - C is for Cookie - Cookie Monster
Music and Lyrics by Joe Raposo - Dee, Dee, Dee - Ernie
Music and Lyrics by Jeff Moss - E-What's My Letter - Guy Smiley and Prairie Dawn
Written by Jerry Juhl - Four Furry Friends - Grover, Herry Monster, Oscar and Cookie Monster
Music and Lyrics by Joe Raposo - Two G Sounds - Grover and George
Music and Lyrics by Jeff Moss - Ha, Ha, Ha Song - Harvey Kneeslapper, Herry Monster and Big Bird
Music by Joe Raposo, Lyrics by Jerry Juhl - I-Stand Up Straight and Tall - Grover
Music and Lyrics by Joe Raposo - J Friends - The Anything Muppets
Music and Lyrics by Jeff Moss - K-Herb's Silly Poem - Herbert Birdsfoot
Written by Jerry Juhl - La, La, La - Bert and Ernie
Music and Lyrics by Joe Raposo - MMM Monster Meal - Herry Monster and Cookie Monster
Music and Lyrics by Jeff Moss - The Noodle Song - Big Bird and Oscar
Written by Jerry Juhl
Side Two
- Would You Like to Buy an O? - Lefty the Salesman and Ernie
Music and Lyrics by Joe Raposo - P-My Favorite Letter - The Anything Muppets
Music and Lyrics by Jeff Moss - The Question Song - Grover and a Little Girl
Music by Jeff Moss, Lyrics by Jerry Juhl - The R Machine - Ernie and Bert
Written by Jim Henson - Sammy the Snake - Sammy
Music and Lyrics by Jeff Moss - The Tale of Tom Tattertall Tuttletut - Herbert Birdsfoot and the Anything Muppets
Written by Jerry Juhl - U-Lecture - Professor Hastings
Music and Lyrics by Joe Raposo - Very, Very Special Letter - Big Bird
Music and Lyrics by Jeff Moss - The National Association of W Lovers - Bert
Music by Joe Raposo, Lyrics by Jerry Juhl - X Marks the Spot - Sherlock Hemlock
Music and Lyrics by Joe Raposo - Y-Just Because - Grover and a Little Girl
Written by Jim Henson and Jerry Juhl - The Zizzy Zoomers - the Anything Muppets
Music and Lyrics by Joe Raposo
Record Two: "Numbers!"
Side One
- Just One Me – Big Bird
Music and Lyrics by Jeff Moss - One and One Make Two – Ernie and Bert
Music and Lyrics by Jeff Moss - Knock Three Times – Oscar the Grouch
Music and Lyrics by Jeff Moss - Four – Little Jerry and the Monotones
Music and Lyrics by Jeff Moss - Think of Your Fingers – Biff
Music and Lyrics by Jeff Moss
Side Two
- Six – Ernie and Bert
Music and Lyrics by Jeff Moss - My Sister, My Father, My Mother, My Grandma, My Grandpa, My Dog, and Me – Marylou
Music and Lyrics by Jeff Moss - Eight Beautiful Notes – The Count
Music and Lyrics by Jeff Moss - Climbing Nine Stairs – Grover and Ernie
Music and Lyrics by Jeff Moss - Ten Cookies – Cookie Monster
Music and Lyrics by Jeff Moss
Record Three: "Signs!"
Side One
- Sign, You're a Friend of Mine - Big Bird and the Lost Generation
Sam Pottle and David Axlerod - Bus Stop - The Pointer Brothers
Sam Pottle and David Axlerod - Danger - Prairie Dawn and the Orlandos
Christopher Cerf and Norman Stiles - Cross at the Green - Edgar Kendricks
Edgar Kendricks - Exit - Chris and the Alphabeats
Christopher Cerf and Norman Stiles - Subway - The Pointer Brothers
Sam Pottle and Grace Hawthorne
Side Two
- Sign Song - Big Bird and the Lost Generation
Music and Lyrics by Clark Gesner - One Way - Chris and the Alphabeats
Sam Pottle and Christopher Cerf - Please Keep Off the Grass - A Blade of Grass
Sam Pottle and David Axlerod - Wet Paint - Calypso Calloway
Sam Pottle and David Axlerod - Telephone Rock - Little Jerry and the Monotones
Christopher Cerf and Norman Stiles - Sesame Street Theme - Big Bird
(Raposo/Stone/Hart) - Sign, You're a Friend of Mine (Reprise) - Big Bird and the Lost Generation
Sam Pottle and David Axlerod