What is meant exactly by the description 'more musical'?

Defining "musical" as being a concept completely determined by individual tastes and biases is not even wrong...

Do you know what means the expression "not even wrong" ?😁

The expression was popularized by scientific debates, about the supercords theory by Peter Woit writing about physical theory that cannot be falsified by experiments...

Speaking of "individual taste" in acoustic cannot be proven right or wrong, because acoustic use all the parameters constraining human tastes in general to study"musicality" ... Then defining "musicality" in musical judgement of playback system by " individual taste" is not a claim that is even wrong and it cannot be falsified ... It is simply a claim beside the main point which is defining "musical" for all humanity ...Individual taste cannot be falsified by acoustical experiments , contrary to supercords, because individual taste exist for sure , but is not as an individual factor the matter of acoustic studies when acoustician and neurologist look for a definition of the "musical" experience for all humans ...

The feeling and perception associated by harmony and euphony , when we speak of the "musical" concept associated to a playback system, resulted mainly from the way the gear-system is rightfully embedded in a room/house mechanically, electrically and especially acoustically , and this in a way to make possible the TRANSLATION of the specific parameters trade-off choices of the recording engineer from the recording hall, TRANSLATED into your system/room/ears/brain... It is acoustics and psychoacoustics matter, it is not about mere INDIVIDUAL taste but about the way the ears/brain of all humans are wired to perceive timbre, localization of sounds, distortions as harmonious or not and immersiveness if all is well done as the end result ...

Thinking that "musical" is mainly an individual taste affair is created by marketters to sell gear according to your "taste".... It is not even wrong because : taste there is for sure, but it is not about individual taste but it is about the collective common "taste" and neurological biases of the human species as determined in a general way by neurologists working with acousticians and musicians and non trained human subjects statistically ...

Then when i feel that my system/room is "musical" i use my trained experience and history, call it my "taste", but what caused my feeling is the room parameters, the speakers parameters the inner ear parameters the brain parameters all coupled together... It is abbreviated by the word "taste" in marketing...

But marketing does not replace science and basic knowledge about mechanical, electrical and acoustical embeddings working controls of the mechanical field of the gear/room , of the electrcal field of the gear/room/house and of the acoustical field of the room and of the psychoacoustics physiological human biases of the listener as a human subject ...

i hope to had been clear ...

Others can explain it more simply than me , i dont master english very well ...😁

Taste there is but it is not about taste...

I thought that this short sentence could kill all debate but i was naive.... People stick to half truth more strongly than to lies...

😊

Mahgister, you expressed your talks perfectly well. I also understand what “not even wrong” means. But let  me not agree with you. Firstly, I don’t see any relationship between individual taste and marketing. I am too far from marketing but I think i have my individual taste. As a simple example, the food I like that I find in supermarkets often disappear, because what I like most people just do not like. I cannot say that this is equally true regarding my tastes in music, but It is also partly true compared to the taste of the vast majority of the people.
 

You set up your experiment for a hypothetical individual who doesn’t exist.
And even more, all that  surrounds us is the result of our individual perception, only our “observation” makes solid things to exist. Imagine that nothing of this exists in reality, and is a result of our imagination (wave collapse in quantum theory). 
 

*talks* —“thoughts”, sorry for the misprint 

As a drummer and one who has played gigs with people who have been on gold and platinum Lps and even a gig with a 9 time grammy nominee who turned to me after the 4th song and said "you guys can really play "

Here is my take on what is "Musical" in audio gear

Non musical= words like "soundstage, upper bass, smooth highs, detail etc etc

Musical =. grooving to the beat, nodding ones head, dancing, singing along etc

musicians have no idea what audiophiles talk about...the list of words is endless

In my findings....the more words used to describe a system....the less musical it is.

Mahgister, you expressed your talks perfectly well. I also understand what “not even wrong” means. But let  me not agree with you. Firstly, I don’t see any relationship between individual taste and marketing. I am too far from marketing but I think i have my individual taste. As a simple example, the food I like that I find in supermarkets often disappear, because what I like most people just do not like. I cannot say that this is equally true regarding my tastes in music, but It is also partly true compared to the taste of the vast majority of the people.

Before disagreeing with someone first we must understand him ... 😁

You set up your experiment for a hypothetical individual who doesn’t exist.
And even more, all that  surrounds us is the result of our individual perception, only our “observation” makes solid things to exist. Imagine that nothing of this exists in reality, and is a result of our imagination (wave collapse in quantum theory).