幾年前，Progressive House 盛行的時候

鋼琴中爬音（正確名：琶音）的技巧，常被用來做成副歌的旋律

在這種類型的音樂中，情緒線明顯出現

所以可以將聽眾的情緒往上帶起

（而非因為 Progressive 較抒情，心情轉為平靜）

但這種「琶音」的音樂，卻不能一直出現

這會讓聽眾更容易覺得膩

運用琶音技巧的 Progressive House：

Coldplay - A Sky Full Of Stars (Hardwell Remix)
https://www.youtube.com/watch?v=nhBVOsNJ_O0

Birdy - Skinny Love (Denzal Park Remix)
https://www.youtube.com/watch?v=9gyroTDbElM

Coldplay - Fix You (Paki & Jaro Bootleg Remix)
https://www.youtube.com/watch?v=eyajNvCQe74

Gazzo & Sebastian Ivarsson - Sweet Escape 
https://www.youtube.com/watch?v=QFDPhmm-Bjk

DEVolution - Good Love (Alesso Remix)
https://www.youtube.com/watch?v=Y1xWgYr8vjs

Spencer & Hill - Believe It (Cazzette's Androids Sound Hot Remix)
https://www.youtube.com/watch?v=b5PfYX2q0cI

Tobu ft. Brenton Mattheus - You & I
https://www.youtube.com/watch?v=tpxVFndWhyA

Nico & Vinz - Am I Wrong (CID Remix)
https://www.youtube.com/watch?v=XxZ2_r9q150

Ellie Goulding - Lights (Ianick & Alex Minerva Remix)
https://www.youtube.com/watch?v=e--7rSjkOaQ

Adrian Lux - All I Ever Wanted (Adam Burn Bootleg)
https://www.youtube.com/watch?v=3GunyqKvTUk

Dirty South & Thomas Gold ft. Kate Elswort - Alive (W&N Remix)
https://www.youtube.com/watch?v=fvND_iWGq1Y

DSK CHK ft. Rozalla - Everybody's Free (2012 Remix)
https://www.youtube.com/watch?v=deK4OZPqdH8

Jose de Mara ft. Shena - Higher Than The Clouds (Nick Harvin Mix)
https://www.youtube.com/watch?v=PnYOJfsQppo

題外話：

「琶音」是專業術語，因為方便大家辨識才寫作「爬音」