Epolonia's Etudes

You target a creature and bestow upon it a magical enhancement. Upon playing this song select which etude you bestow, Herculean (Strength), Vivacious (Dexterity), Vital (Constitution), Logical (Intelligence), Meditative (Wisdom), and Bewitching (Charisma). Choose one of the following effects; the target gains that effect until the spell ends.

Epolonia's Herculean Etude: The target has advantage on Strength checks, counts as one size larger for grapples, and his or her carrying capacity doubles.
Epolonia's Vivacious Etude. The target has advantage on Dexterity checks. It also adds its proficiency bonus to Initiative.
Epolonia's Vital Etude. The target has advantage on Constitution checks. It also increases its max hit points by 2d6, and gains these hit points as temporary hit points, which are lost when the spell ends.
Epolonia's Logical Etude. The target has advantage on Intelligence checks and if it’s not proficient in knowledge checks, they may add their proficiency bonus to the check. If they are proficient then double the proficiency bonus
Epolonia's Meditative Etude. The target has advantage on Wisdom checks, and may use add Wisdom bonus instead for any Charisma or Intelligence checks.
Epolonia's Bewitching Etude. The target has advantage on Charisma checks, and may add it’s charisma bonus to animal handling and sleight of hand.

At Higher Levels. When you cast this spell using a spell slot of 3rd level or higher, you can target one additional creature for each slot level above 2nd.

Ancient Bardic Magic: When you cast this spell, and at the start of subsequent turns you may sacrifice all your movement until the start of your next turn to maintain the spell rather than use your concentration. If you are forced to move, you must still make a concentration save in order to maintain the spell.

An etude is a short, tricky tune that a musician plays mainly for practice or to demonstrate skill. The well-known bard Epolonia turned her etudes into masterful demonstrations of skill far exceeding mere practice.