Pianist and singer Joe Stilgoe helps Cerys Matthews and Jeffrey Boakye compile the next five tracks for the growing playlist, with musical connections taking us from a controversial singing style to the Austrian Alps.

DJ and BBC Asian Network presenter Sonny Ji and voice coaches Dr Gillyanne Kayes and Jeremy Fisher provide insights into the techniques and background to individual tracks.

Presenters Cerys Matthews and Jeffrey Boakye

The five tracks added to this week's playlist:

It Don't Mean a Thing by The Boswell Sisters

Other music in this episode:

Sandstorm by Darude

Jasmin Kent Rodgman, the British/Malaysian artist and composer, joins Welsh tenor Gwyn Hughes Jones and British/Chinese artist Aowen Jin as they select and discuss the latest five tracks to be added to the weekly playlist, where each track has a musical connection with the previous one.

Cerys Matthews and Jeffrey Boakye pick up where they left off last time, with Luis Fonsi and Justin Bieber's classic earworm Despacito. So where will their journey take us from there?

Presenters Cerys Matthews and Jeffrey Boakye

The five tracks added to this week's playlist:

Tu Vuò' Fà' l'Americano by Sophia Loren and Paolo Bacilieri

Other music in this episode:

God Walked Down by The Allergies

Birmingham-based saxophonist Soweto Kinch is joined by keyboard specialist Steven Devine and percussionist Ruairi Glasheen, as Cerys Matthews and Jeffrey Boakye compile the next five tracks for their growing playlist.

Last week concluded with Nina Cried Power by Hozier, featuring Mavis Staples, but where will that lead for the start of this episode's selection?

Presenters Cerys Matthews and Jeffrey Boakye

Full track list in order in the episode, with the five chosen Playlist tracks in CAPITALS:

Golden Brown by The Stranglers

Where does Dave Brubeck's celebrated 1961 classic Take Five lead us? Cerys Matthews and Jeffrey Boakye are joined by saxophonist Jess Gillam to select the next five tracks to add to the playlist.

Last week's musical journey took us from the beaches of Rio de Janeiro to London jazz clubs, and we're travelling again today, from Lahore to New York and beyond, with the forensic help of composer and musician Nitin Sawhney and early music specialist Barnaby Smith.

Presenters Cerys Matthews and Jeffrey Boakye

Full track list in order in the episode, with the five chosen Playlist tracks in CAPITALS:

Can't Get You Out of My Head by Kylie Minogue

Picking up from Let Him Go, Let Him Tarry, the final song last week, Cerys Matthews and Jeffrey Boakye add the next five tracks to the playlist.

Composer and pianist Neil Brand, this week's studio guest, alongside Brazilian guitarist Plinio Fernandes, explores the musical detail of the tracks, as connections are explored which link one composition to another. Last week we went from a country/rap smash hit to a traditional Irish folk song via a riotous rodeo, but where will this week's journey of discovery take us?

Presenters Cerys Matthews and Jeffrey Boakye

Full track list in order in the episode, with the five chosen Playlist tracks in CAPITALS):

Hou Mamma Mia by Les Négresses Vertes

Add to Playlist takes us on a musical journey of discovery, exploring the web of connections between tracks across the breadth of all musical styles, from pop, rock, reggae and hip-hop to classical, jazz, folk and country.

Presenters Cerys Matthews and Jeffrey Boakye and their studio guest, music director Kojo Samuel, who's worked with Stormzy, Rudimental and Jess Glynne, unearth musical and thematic links that may well take you by surprise, with additional in-depth explorations by violinist Tasmin Little.

Ditch the computer algorithm as we offer an alternative playlist, offering five special tracks each week, spanning genres, eras and continents. You’ll learn fascinating details about how the music is constructed, its history, tempo, rhythm, choice of key and use of instruments, from the cuica to the 808 and the banjo.

Presenters Cerys Matthews and Jeffrey Boakye

Music (in order - the five tracks for the playlist are in CAPITALS):

Autobahn - Kraftwerk

Ditch the algorithm as Cerys Matthews, Jeffrey Boakye and musical guests create a playlist exploring the rich and unexpected web of connections that link five special tracks.