Isha/I Can't Go On, by Chris & Craig (1966), an LA-based duo that later morphed into Penny Arkade. Chris is Chris Ducey (among other things, he figures greatly in the Bobby Jameson story), and Craig was Craig Smith, later a/k/a Maitreya Kali. Here's 'I Can't Go On':
Following on the Baby Washington, tracks above . Originally by Baby Washington in 1964 - I Can't Wait Until I See My Baby's Face . Covered by Dusty Springfield 1967 Also a great version by Dee Dee Warwick
Two from the right of smilie , click on media , start with www.youtube.com/watch?v= then track id from youtube Gather My Things & Go - Limey & The Yanks
The staccato-ish vocals took some getting used to but everything else about the song is fine: Martha Smith, As I Watch You Walk Away: