Question: The vocals of Ice Cream Spiritual have drawn comparisons to a singer who was married to what member of the Beatles?
Context: Grape ice cream is ice cream with a grape flavor.  Some recipes use grape juice in its preparation.  Dishes and variations include grape ice cream sandwiches and grape ice cream soda.  Grape ice cream is sometimes offered at grape festivals. For example, the Naples Grape Festival has offered grape ice cream.  Grape ice cream is not a commonly made flavor. Ice cream parlors (or parlours) are restaurants that sell ice cream, gelato, sorbet, and frozen yogurt to consumers.  Ice cream is typically sold as regular ice cream (also called hard-packed ice cream), gelato, and soft serve, which is usually dispensed by a machine with a limited number of flavors (e.g., chocolate, vanilla, and "twist", a mix of the two).  It is customary for ice cream parlors to offer a number of flavors and items.  Parlors often serve ice cream and other frozen desserts in cones or in dishes, to be eaten with a spoon.  Some ice cream parlours prepare ice cream desserts such as sundaes (ice cream topped with syrup, whipped cream and other toppings) or milkshakes. Cornish ice cream is a form of ice cream first made in Cornwall in the southwest of Great Britain.  It is made with Cornish clotted cream, and may be made with sorbet.  Today, it is still produced using milk from many farms in Cornwall, although Cornish ice cream (and brands of Cornish ice cream) are sold in supermarkets all over the United Kingdom.  It may be made with regular ice cream and vanilla essence.  Some companies of Cornwall, such as a company in East Looe, claim to make Cornish ice cream using only Cornish milk and cream. Rhino Foods Incorporated, founded in 1981 by Anne and Ted Castle, is a specialty ice cream novelty and ice cream ingredient manufacturer located in Burlington, Vermont, United States.  Rhino Foods has grown from a small ice cream shop, Chessy's Frozen Custard, into a business with over 100 employees.  In 2013, the company became a certified B Corporation joining over a 1000 companies worldwide in the unified goal to use business as a force for good for people and the planet.  The company is best known locally for their ice cream sandwich, the Chesster.  In 1991, the company worked with Ben & Jerry's to develop the first cookie dough for use in ice cream.  The company produces cookie dough and baked pieces for most major brands in the ice cream industry .  The company also co-packs ice cream cookie sandwiches for national and international companies . Ice Cream Spiritual is the second full-length studio album by Ponytail.  The album, which was released June 17, 2008 has been both praised and criticized for the vocal styles of leader singer Molly Siegel, as she doesn't use conventional lyrics.  The guitar work has drawn comparisons to math rock bands, while the vocals have drawn comparisons to Yoko Ono, for their experimental sound.  The first single from the album was "Celebrate the Body Electric", which was released on April 29, 2008. This is a list of notable ice cream parlor chains.  Ice cream parlors are places that sell ice cream, gelato, sorbet and frozen yogurt to consumers.  Ice cream is typically sold as regular ice cream (also called hard-packed ice cream), gelato and soft serve, which is typically dispensed by a machine with a limited number of flavors (e.g. chocolate, vanilla, and a mix of the two).  It is customary for ice cream parlors to offer several ice cream flavors and items. Helados La Fresita is an ice cream pop and paleta manufacturer in Medellín, Colombia.  The frozen treats are sold by vendors around the city and in surrounding areas.  The logo is marked by a strawberry caricature.  The company's motto is: An ice cream with all the fruit (Un helado con toda la fruta!) .  Flavors include green mango, arequipe with raisins and coconut, coconut, lulo, peanut, guanabana (soursop), blackberry, strawberry, milk with raisins, and chocolate.  The company also makes chocolate covered ice cream cones and ice cream sandwiches of various flavors, as well as fruit flavored ice pops (paletas de fruta), ice cream cups, and bulk ice cream boxes.  The company was established in 1986. Yoko Ono (born February 18, 1933) is a Japanese multimedia artist, singer, songwriter, and peace activist who is also known for her work in performance art and filmmaking.  She performs in both English and Japanese.  She is noted for being the second wife and widow of singer-songwriter John Lennon of the Beatles. Vanilla is frequently used to flavor ice cream, especially in North America and Europe.  Vanilla ice cream, like other flavors of ice cream, was originally created by cooling a mixture made of cream, sugar, and vanilla above a container of ice and salt.  The type of vanilla used to flavor ice cream varies by location.  In North America, consumers are interested in a more prominent, smoky flavor, while in France, they want a more anise-like flavor.  To create the smooth consistency of ice cream, the mixture has to be stirred occasionally and then returned to the container of ice and salt to continue the solidification process.  According to "Iced: 180 Very Cool Concoctions", many people often consider vanilla to be the "default" or "plain" flavor of ice cream (see "Plain vanilla"). Strawberry ice cream is a flavor of ice cream made with strawberry or strawberry flavoring.  It is made by blending in fresh strawberries or strawberry flavoring with the eggs, cream, vanilla and sugar used to make ice cream.  Most strawberry ice cream is colored pink or light red.  Strawberry ice cream dates back at least to 1813, when it was served at the second inauguration of James Madison.  Along with vanilla and chocolate ice cream, strawberry is one of the three flavors in Neapolitan ice cream.  Variations of strawberry ice cream include strawberry cheesecake ice cream and strawberry ripple ice cream, which is vanilla ice cream with a ribbon of strawberry jam or syrup.  Some ice cream sandwiches are prepared neapolitan-style, and include strawberry ice cream.
Answer: John Lennon