To make a playlist with Alexa on your Echo device, you have the option to ask Alexa or create one using the Music app.
How to play music with Alexa? - The Spotify Community
Echo lets you create a playlist with just your voice. Here's how to do it - CNET
How to play music with Alexa? - The Spotify Community
All the Ways to Play Music Using Your Echo and Alexa
How to Create a Playlist With Music
How to Listen to Apple Music on Echo - MacRumors
Set Alexa on Echo Wake You Up to Your Favorite Song
How to Play a Spotify Playlist with Alexa
Get an Echo Dot for $0.99 with Music Unlimited
How to create and edit an Echo playlist - Android Authority
How to get Apple Music on your Echo
How to Make a Playlist on Alexa Using Music or Your Echo
Converse naturally with Alexa to pinpoint the perfect playlist on Music.