Want to start a band? If you are under 21, come along to try out the instruments that artist Ross Sinclair and the Collective Gallery are going to be giving away this summer.  You must be committed to starting a band, interested in performing, and able and willing to take part in the project over the coming year. In return you would get free instruments, mentoring, recording time and distribution. 1-5pm, Collective Gallery, City Observatory, 38 Calton Hill. (Every Saturday until 31st August 2014.)

Fancy a day out?   The picturesque borders village of Cockburnspath is less than an hour’s drive from Edinburgh: it was popular with many Scottish artists in the 19th century, and Cockburnspath Art Exhibition is on today! Original work by local artists. ‘Bite-sized’ pictures from £15. Tea, coffee, home baking. Cockburnspath Village Hall, 10am-7pm.  Also on Sunday 20th July.

Knit Works! The Danish Cultural Institute has invited some of the finest knitting experts from Scandinavia and Scotland to exhibit their work. They will also share thoughts, stories, passion, ideas and knowledge with visitors to the exhibition, who are invited to join in a large co-creative drop-in workshop Nordic Knitathon, in which a giant knitted ‘masterpiece’ will be created from individually worked squares.  Please bring your own knitting needles, size 4-4.5, if you wish to participate in the Knitathon: all yarns provided by sponsors. 11am-4pm, National Museum of Scotland, Chambers Street.  Also on Sunday 20th July, same times. Free. Part of Edinburgh International Fashion Festival.

American Impressionism Opening Lecture: Katherine Bourguinon, TERRA Foundation for American Art, gives an overview of the exhibition ‘American Expressionism: A New Vision‘ carefully analysing individual paintings to explore what Impressionism meant to an American audience in the closing years of the 19th century. 2-3pm, Hawthornden Lecture Theatre, Scottish National Gallery, The Mound.  Free, but tickets must be obtained on the door (subject to availability) or in advance from the SNG Information Desk.

Live Music at the Pear Tree: 4-5pm Ruari McMillan, 5-6pm Jordan Findlay, 6-7pm ThirtyThreeConnection. The Pear Tree, West Nicolson Street. All free.  Over 18s only.

Imaginarium: part two of a two-day workshop: return for a fantastic second day of Imaginarium! Build on the ideas from day one and experiment with lights, music and film. At the end of the session there will be a short performance for family and friends. For ages 10+.  12 noon -2pm, WHALE Arts, 30 Westburn Grove. Free, but booking essential (see website.)

Portrait Gallery Architecture Tour: tour of the magnificent Arts & Crafts building designed by Sir Robert Rowand Anderson. 2-2.45pm, Scottish National Portrait Gallery, 1 Queen Street.  Free but pre-booking essential: call 0131 624 6560.

GENERATION Tours at Modern One: Free discussion-led tours of the GENERATION exhibition, focusing on key themes and artists. 11-11.45am and 1-1.45pm, Modern One (Scottish National Gallery of Modern Art), Belford Road. Free and unticketed.

Corroboree: First Nation Woodcarving. Sculptor James Harry from Vancouver brings a First Nation perspective to his work with a range of materials, media and styles that reflect both the artistic heritage of the Pacific North West and contemporary influences. 10am-4pm, Royal Botanic Garden (various locations across the garden, check signs on arrival.)