Pop Station
The widest net on the dial: melodic, polished singles from the decade's chart-topping vocalists and groups.
230 songs, 1970 to 1979. Busiest year: 1977 (35 songs). By era: 96 early 70s, 71 late 70s, 63 mid 70s.
Highest on the Year-End Hot 100: Tie a Yellow Ribbon Round the Ole Oak Tree by Tony Orlando and Dawn (1973, #1); The Way We Were by Barbra Streisand (1974, #1); Love Will Keep Us Together by Captain & Tennille (1975, #1).
Most charted artists here: The Carpenters (6), Barry Manilow (5), and Helen Reddy (5).
Soul Station
Vocal-driven soul and Motown-style records, from smooth ballads to uptempo cuts.
185 songs, 1970 to 1979. Busiest year: 1970 (29 songs). By era: 103 early 70s, 53 mid 70s, 29 late 70s.
Highest on the Year-End Hot 100: The First Time Ever I Saw Your Face by Roberta Flack (1972, #1); Killing Me Softly with His Song by Roberta Flack (1973, #3); Let's Get It On by Marvin Gaye (1973, #4).
Most charted artists here: Gladys Knight & the Pips (7), Al Green (6), and Stevie Wonder (6).
Soft Rock Station
Mellow, melodic rock and singer-songwriter hits that lean on harmony and warmth.
165 songs, 1970 to 1979. Busiest year: 1979 (25 songs). By era: 58 early 70s, 56 late 70s, 51 mid 70s.
Highest on the Year-End Hot 100: Bridge Over Troubled Water by Simon & Garfunkel (1970, #1); Tonight's the Night (Gonna Be Alright) by Rod Stewart (1977, #1); Seasons in the Sun by Terry Jacks (1974, #2).
Most charted artists here: Bee Gees (5), Paul Simon (5), and The Carpenters (5).
Classic Rock Station
Guitar-led rock and pop-rock staples from the decade's biggest rock acts.
156 songs, 1970 to 1979. Busiest year: 1970 (24 songs). By era: 72 early 70s, 46 mid 70s, 38 late 70s.
Highest on the Year-End Hot 100: Joy to the World by Three Dog Night (1971, #1); My Sharona by The Knack (1979, #1); Maggie May / Reason to Believe by Rod Stewart (1971, #2).
Most charted artists here: Elton John (7), Chicago (6), and Three Dog Night (5).
Disco Station
Dance-floor records built on a steady beat, from early disco to the late-decade peak.
94 songs, 1974 to 1979. Busiest year: 1979 (34 songs). By era: 63 late 70s, 31 mid 70s.
Highest on the Year-End Hot 100: Shadow Dancing by Andy Gibb (1978, #1); Night Fever by Bee Gees (1978, #2); Bad Girls by Donna Summer (1979, #2).
Most charted artists here: Bee Gees (5), Donna Summer (5), and KC and the Sunshine Band (5).
Country Station
Country and country-pop singles that also made the Billboard Hot 100.
60 songs, 1970 to 1979. Busiest year: 1975 (10 songs). By era: 25 early 70s, 20 mid 70s, 15 late 70s.
Highest on the Year-End Hot 100: Rhinestone Cowboy by Glen Campbell (1975, #2); Before the Next Teardrop Falls by Freddy Fender (1975, #4); Why Me by Kris Kristofferson (1973, #6).
Most charted artists here: Anne Murray (4), Glen Campbell (4), and Charlie Rich (3).
Funk Station
Groove-first records built around bass lines, horns and rhythm.
58 songs, 1970 to 1979. Busiest year: 1973 (13 songs). By era: 28 early 70s, 20 mid 70s, 10 late 70s.
Highest on the Year-End Hot 100: Come and Get Your Love by Redbone (1974, #4); Play That Funky Music by Wild Cherry (1976, #5); I Gotcha by Joe Tex (1972, #6).
Most charted artists here: War (7), Ohio Players (4), and Stevie Wonder (4).
Hard Rock Station
Heavier, louder guitar rock from the rock side of the chart.
28 songs, 1970 to 1979. Busiest year: 1973 (5 songs). By era: 12 early 70s, 9 mid 70s, 7 late 70s.
Highest on the Year-End Hot 100: Frankenstein by The Edgar Winter Group (1973, #16); The Ballroom Blitz by Sweet (1975, #17); We're an American Band by Grand Funk Railroad (1973, #23).
Most charted artists here: Aerosmith (2), Bad Company (2), and Foreigner (2).
R&B Station
Rhythm and blues records from across the decade, a small station with plenty of variety.
13 songs, 1970 to 1979. Busiest year: 1979 (6 songs). By era: 7 late 70s, 4 mid 70s, 2 early 70s.
Highest on the Year-End Hot 100: Lovin' You by Minnie Riperton (1975, #14); Fire by The Pointer Sisters (1979, #15); Pillow Talk by Sylvia Robinson (1973, #22).
Most charted artists here: Raydio (2), B.B. King (1), and Bee Gees (1).
Prog Rock Station
Progressive and art-rock acts whose singles made the Hot 100, the smallest station.
11 songs, 1972 to 1979. Busiest year: 1972 (2 songs). By era: 4 early 70s, 4 late 70s, 3 mid 70s.
Highest on the Year-End Hot 100: The Logical Song by Supertramp (1979, #27); Nights in White Satin by The Moody Blues (1972, #32); Dust in the Wind by Kansas (1978, #39).
Most charted artists here: Kansas (2), Electric Light Orchestra (1), and Focus (1).