The following are summarizations of the contents of each of the audio segments included in this distribution. The participant names are aliases, corresponding to the speaker identifications within the transcripts. SBC031 "Tastes Very Special" Face-to-face conversation recorded in a restaurant in Pullman, Washington. Sherry and Beth are sisters (in their late twenties), and Rosemary is their mother. The participants discuss what to order for lunch, interact with the waitress (Jamie) and engage in talk about family and friends while waiting for their food. SBC032 "Handshakes All Around" A face-to-face conversation that takes place at an outdoor neighborhood 'block party' in Santa Fe, New Mexico. The three main participants are neighbors, age 60 and upward, all of whom happen to be named Tom. Discussion centers on life histories, World War II experiences, and neighborhood gossip. The three are briefly joined by Tucker (the daughter of Tom_1), and Elaine (the wife of Tom_3). SBC033 "Guilt" A lively family argument/discussion recorded at a vacation home in Falmouth, Massachusetts. There are eight participants, all relatives or close friends. Discussion centers around a disagreement Jennifer (age 23) is having with her mother (Lisbeth). SBC034 "What Time is it Now?" A late-night face-to-face conversation recorded in Northampton, Massachusetts. Participants are a married couple (Karen and Scott) in their early twenties. Karen has just returned home from work, and the two are talking while winding down for the evening. SBC035 "Hold my Breath" Lively family argument/discussion recorded in the kitchen of a family home in Pittsburgh, Pennsylvania. SBC036 "Judgmental on People" Face-to-face conversation recorded in Albuquerque, New Mexico. There are three participants and a baby. Lisa and Kevin are siblings, Marie (the baby's mother) is a friend of Lisa's. Much of the speech event focuses on interaction with, and talk about, the baby, as well as gossip about friends and co-workers. SBC037 "Very Good Tamales" Informal, task-related (cooking) talk recorded in the kitchen of a family home in Corpus Christi, TX. A family is making tamales. Main participants are Julia (an 80-year-old woman), her daughter (Dolores), and grandson (Shane). They are briefly joined by Kate (Shane's sister) who is watching TV in another room. The segment contains occasional codeswitching (English/Spanish). SBC038 "Good Strong Dam" This segment is part of a tour of the Hoover Dam. The presentation is highly scripted, and the speaker addresses audience questions. SBC039 "Pretty Busy Bird" Task-related talk, a training meeting recorded at an aquarium in Chicago. SBC040 "Beaten on a Regular Basis" Scripted tour of the Kentucky Horse Park / Museum. Presenter also addresses questions from the audience. SBC041 "X Units of Insulin" Medical interaction recorded in Southern California. A patient (Paige) is consulting with her dietician (Kristen) regarding management of diabetes. SBC042 "Stay out of It" Family argument and task-related talk, recorded in Pasco, Washington. The recording begins in a car, and moves to the kitchen of a family home. Main participants are three teenage sisters (Sabrina, Kendra, and Marlena), their mother (Kitty), and step-father (Curt). A friend of Sabrina's (Gemini) is also present. The dispute centers around Kitty's belief that Kendra stayed the night at a friend's house without permission, something which Kendra denies having done. Argument and shouting is interspersed with Saturday-morning housekeeping chores such as doing dishes and laundry. SBC043 "Try a Couple Spoonfuls" Face-to-face conversation recorded in the living room of a private home in Boise, Idaho, between Alice (a nurse, age 49) and her daughter Annette (a student and bank employee, age 24). Topics center mostly on their work day, as well as mutual acquaintances. SBC044 "He Knows" Face-to-face conversation recorded in the living room of a private home in Milwaukee, Wisconsin. Two friends (Cam and Lajuan) are talking about their families and friends, and their own experiences as gay men. SBC045 "The Classic Hooker" Face-to-face conversation recorded in the living room of an apartment in Milwaukee, Wisconsin. Two friends (Corinna and Patrick) are talking and watching TV. Topics are at times rather raunchy. SBC046 "Flumpity-Bump Down the Hill" Medical interaction, recorded in Shreveport, Louisiana. A patient (Darren) is consulting with his orthopedist (Reed) regarding a knee injury from a recent skiing accident.