ok in total from conversations on this forum and a number of bands have popped up.
for the record i think catfish and the bottlemen are an acceptable headliner, but having them move up to headliners with 2 other first time headliners is why this line up is receiving such a bad reaction.
example - R&L have bumped up the 1975 to headliners, to assist ticket sales, they also booked Foo fighters. R&L have also been clever by previously having bands co headline with another band before being moved up to straight up headliners e.g. foals, fall out boy, etc.
neither of these things have been done by trnsmt which is why it is recieving such a bad reaction, having catfish and the bottlemen healdine solo this year while pushing ezra to a co headliner with another headline act e.g foals, noel gallagher. would of worked, you would then need a decent sized standalone to be the "big name" of the festival, RHCP would of been perfect for this role. or even foo fighters ( yes i know they are doing summer sessions but i think they are big enough to sell good tickets for both).
in regards to previous comments about ezra, i do believe its justified, he has been massively over booked in the uk, headlining TRNSMT, isle of wight, parklife, neighbourhood, and god knows how many other festivals, if you are a fan of him, their are a million places to see him. also the festivals he is headlining arent exactly selling well, example given of neighbourhood weekender selling out in a day last year but not being anywhere near sold out this year with ezra as headliner after 4 months, his day is also being outsold by richard ashcrofts sunday who is 3rd down on the trnsmt lineup.
the line up is also to Diverse, they havent got enough one target audiences preferences to attract. e.g. a large amount of people who want to watch richard ashcroft, dmas etc on the saturday arent going to be interested in watching george ezra and jess glynne on the sunday, or stormzy and years and years on the friday. yes Gerry cinnamon is a big draw in Scotland, but for someone travelling up he alone isnt going to tempt someone up for the Friday when he seems to be everywhere this year.
i think a lot of people going to the festival this year would be going regardless of the lineup, i also think you will see less people travelling distances because of the diversity of the line up not giving it enough pulling power to each genre, going up to Glasgow for a single day ticket from England as an example, £50 train return, £75 hotel, £50 day ticket, £50 spends. a number of people wont want to spend £200+ for a day of that line up.
to the original question, from acts available you wouldn't even have to change it that much. an example below.
Catfish and the bottlemen
Red Hot Chilli peppers
George Ezra / Snow Patrol CO headline.
Years and Years
All of these acts are available.
all i have done is change 1 headliner and added 2 lower acts and swapped a few around, for me that line up would sell miles more tickets.
Genuinely interested to hear peoples thoughts.