For the celebrations in honour of Ingrid Beirer, who ran the music department of the German Academic Exchange Service (DAAD) arts programme in Berlin, on her retirement in 2012.

a triumphal arch

A 70th birthday picture for Prof. Dr. Helga de la Motte-Haber - musicologist and also an expert on the history and theory of Sound Art. In the background is Berlin's Schloss Charlottenburg; it stands on the other side of the road from where she used to live.

An 80th birthday picture for Helga de la Motte, enthroned and surrounded by her attributes, including a few of her many publications. The musical VW Beetle (lower right) refers to her 1980s research into the effect of various kinds of music on driving behaviour.

drawing of the view from my window in Caracas

From a letter to Tom Johnson and Esther Ferrer, late 1980s. I am told that Giovanni's restaurant, bottom right, has been closed following a shooting incident.

Three 3 x 3 cubes, one with a bit missing
An birthday card conundrum for minimalist composer Tom Johnson
Three cubes, each 33 = 81, one missing. Age: 80

felt-tip drawing of a belfrey
Clock house and belfrey of the church at Vrboska on the Island of Hvar.

study of a car on legs
Illustration for a childrens' book. German caption: "also exists today".

My grandfather, Joseph Bamforth, on the shoulders of his elder brother John, was struck by lighting while stealing apples. Joseph was thrown to the ground and sustained permanent livid scars down both his arms. He later became an engineering pattern maker, so presumably this did not affect his dexterity. John Bamforth emigrated to Canada, followed by Joseph but they lost contact with each other and were never reunited. Joseph set up iron foundries both in Vancouver and, on his return to England, in London.

One of several sketches for concert and music theatre invitations.

how to use a privy

Como usar uma fossa seca? How to use a privy (1985). Drawn at the request of architect and town planner Renate Bonn who was working in Pernambuco, Brazil, for the German Society for Technical Cooperation (GTZ). Suitable for colouring, the drawing was intended primarily for school children who could then explain things to their parents.
(Rapidograph on tracing paper, 51 x 90 cm)

Drawing of a press button