Side one

1. "Delitiae Musicae" (Jan Akkerman) - 1:13
2. "Harem Scarem" (Thijs van Leer) - 5:50
3. "La Cathedrale de Strasbourg" (Thijs van Leer) - 5:00
4. "Birth" (Jan Akkerman) - 7:45

Side two

5. "Hamburger Concerto" - 20:18
   • "Starter" (Thijs van Leer)
   • "Rare" (Jan Akkerman)
   • "Medium I" (Thijs van Leer)
   • "Medium II" (Jan Akkerman)
   • "Well Done" (Thijs van Leer)
   • "One for the Road" (Jan Akkerman)

Personnel

• Thijs van Leer
  Thijs van Leer
  Thijs Van Leer is a Dutch musician, singer and composer, best known for heading the Dutch progressive rock band, Focus, as primary vocalist, Hammond organ player, and flautist. He also yodels and whistles...
  
   – keyboards
  Keyboard instrument
  A keyboard instrument is a musical instrument which is played using a musical keyboard. The most common of these is the piano. Other widely used keyboard instruments include organs of various types as well as other mechanical, electromechanical and electronic instruments...
  
  , organ
  Electronic organ
  An electronic organ is an electronic keyboard instrument which was derived from the harmonium, pipe organ and theatre organ. Originally, it was designed to imitate the sound of pipe organs, theatre organs, band sounds, or orchestral sounds....
  
  , flute
  Western concert flute
  The Western concert flute is a transverse woodwind instrument made of metal or wood. It is the most common variant of the flute. A musician who plays the flute is called a flautist, flutist, or flute player....
  
  , piano
  Piano
  The piano is a musical instrument played by means of a keyboard. It is one of the most popular instruments in the world. Widely used in classical and jazz music for solo performances, ensemble use, chamber music and accompaniment, the piano is also very popular as an aid to composing and rehearsal...
  
  , vocals
• Jan Akkerman
  Jan Akkerman
  Jan Akkerman is a Dutch guitarist. Akkerman is a distinctive guitarist, constantly experimenting with new equipment and guitars. Akkerman's distinctive guitar sound is characterised by his pioneering use of volume swells which produce a smooth, fluty, sustained tone, and other complex techniques...
  
   – guitar
  Guitar
  The guitar is a plucked string instrument, usually played with fingers or a pick. The guitar consists of a body with a rigid neck to which the strings, generally six in number, are attached. Guitars are traditionally constructed of various woods and strung with animal gut or, more recently, with...
  
  
• Bert Ruiter
  Bert Ruiter
  Bert Ruiter is a Dutch bass guitarist, record producer, and composer.Ruiter was born in Amsterdam and grew up in Hilversum. When he was twelve he started playing guitar by ear; later he switched to bass guitar...
  
   – bass guitar
  Bass guitar
  The bass guitar is a stringed instrument played primarily with the fingers or thumb , or by using a pick....
  
  
• Colin Allen
  Colin Allen
  Colin Allen is an English blues drummer and songwriter.-Career:Allen took up drums at the age of 18, playing initially with local jazz musician in Dorset...
  
   – drums
  Drum kit
  A drum kit is a collection of drums, cymbals and often other percussion instruments, such as cowbells, wood blocks, triangles, chimes, or tambourines, arranged for convenient playing by a single person ....