======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '245'
                                          'artist'  'Dave Matthews Band'
                                     'text_people'  ''
                                         'release'  'Everyday'
                                           'title'  'The Space Between'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-4', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'jam', 'acoustic rock', 'rock']"
                                     'discogstags'  "['rock', 'alternative rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '12'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'rock-unsorted;set-pl-billboard'
                                             'bpm'  '84.6'
                                             'key'  '4A'
                                        'acoustid'  '2b7b8b32-b526-466f-9087-94b67a7468ce'
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Everyday'
'TBPM' (BPM (beats per minute))                     '84.6'
'TCON' (Content type, a.k.a. Genre)                 ['rock-unsorted', 'set-pl-billboard']
'TDOR' (Original release time)                      '2001'
'TIT2' (Title/songname/content description)         'The Space Between'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Dave Matthews Band'
'TPE2' (Band/orchestra/accompaniment)               'Dave Matthews Band'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3/12'
'TSO2'                                              'Matthews, Dave, Band'
'TSOP' (Performer sort order)                       'Matthews, Dave, Band'
'TSRC' (ISRC (international standard recording code))  'USRC10001030'
'TXXX:Acoustid Id'                                  '2b7b8b32-b526-466f-9087-94b67a7468ce'
'TXXX:Artists'                                      'Dave Matthews Band'
'TXXX:BARCODE'                                      '078636798820'
'TXXX:CATALOGNUMBER'                                '07863 67988-2'
'TXXX:MusicBrainz Album Artist Id'                  '07e748f1-075e-428d-85dc-ce3be434e906'
'TXXX:MusicBrainz Album Id'                         'b8de0e34-080a-4c30-b2bb-9243b3f310c8'
'TXXX:MusicBrainz Album Release Country'            'CA'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '07e748f1-075e-428d-85dc-ce3be434e906'
'TXXX:MusicBrainz Release Group Id'                 '20d23000-8bc9-30da-b28a-3fc57f7b7b95'
'TXXX:MusicBrainz Release Track Id'                 '28b2bb7a-240a-44cc-9563-5d43c2fd3adb'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'alternative rock', 'pop rock']
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'jam', 'acoustic rock', 'rock']
'TXXX:mood'                                         'Not acoustic/Relaxed/Happy/Not party/Not aggressive/Electronic/Not sad'
'TXXX:originalyear'                                 '2001'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.82 dB'
'TXXX:replaygain_track_peak'                        '0.511714'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3e3b7393-eb69-45b4-b134-cd88859e89e3')

========================== row from database ==========================
                                              'id'  1357917
                                            'path'  /data/Music/Bulk/00poprockelectronic/Dave Matthews/Dave Matthews Band/Everyday/MBZ;#Dave Matthews Band;#Everyday;#03;#The Space Betweenmp3.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  245
                                           'genre'  rock-unsorted;set-pl-billboard
                                        'filesize'  9860869
                                           'mtime'  1620389544
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Dave Band;#Everyday;#03;#The Betweenmp3 rock unsorted;set pl billboard
                                      'tag_artist'  Dave Matthews Band
                                     'tag_release'  Everyday
                                       'tag_title'  The Space Between
                                             'bpm'  84.6
                                    'search_title'  'between':3 'space':2 'the':1
                                   'search_artist'  'band':3 'dave':1 'matthews':2
                                  'search_release'  'everyday':1
                                     'search_rest'  '00poprockelectronic':1 '03':8,12 'band':6,10 'betweenmp3':14 'billboard':21 'dave':3,5 'everyday':7,11 'mbz':2,4 'pl':20 'rock':15 'set':17,19 'the':9,13 'unsorted':16,18
                                    'search_combo'  '00poprockelectronic':8 '03':15,19 'band':6B,13,17 'between':3A 'betweenmp3':21 'billboard':28 'dave':4B,10,12 'everyday':7C,14,18 'matthews':5B 'mbz':9,11 'pl':27 'rock':22 'set':24,26 'space':2A 'the':1A,16,20 'unsorted':23,25
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'jam', 'acoustic rock', 'rock']
                                        'tag_date'  2001
                                     'discogstags'  ['rock', 'alternative rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1620389544.364902  (2021-05-07 14:12:24)
                             'size'  9860869