If one or more cooperating poets were to write both of the twin poems at the same, they may choose to write a line for one poem, and write the corresponding twin line at the same time, thus creating the twin poems line by line. Twin poems can be composed by two cooperating poets in a poetry slam. This extempore approach could also be good for two groups of poets, with the groups competing with each other. The gray matter will get a lot of action in such events. In this tradition, specially gifted scholars respond to a panel of experts from many subject areas with all in the panel allowed to ask any question any time.
Poetry is always one of the subjects.
The poetry expert in the panel would be asking the scholar on the stage to compose a poem, giving challenging conditions. For example, the first one may be giving a subject to start composing the poem. Indian poetry has numerous meters and forms, probably more than any language in the world. The tradition really started in Sanskrit with greatest poets of all time like Veda Vyaasa, Vaalmeeki and Kalidaasa. Mahabharatha is the longest poetry ever composed in the history.