======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '188'
                                          'artist'  'America'
                                     'text_people'  ''
                                         'release'  'The Best of America: Centenary Collection'
                                           'title'  ''
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['folk rock', '70s', 'soft rock', 'rock', 'folk', 'classic rock']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '20'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'rock-pop-soft'
                                             'bpm'  '95.573'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'C:\\MusicMatch Jukebox\\Music\\'
'COMM:MusicMatch_Path:XXX'                          'C:\\MusicMatch Jukebox\\Music\\America - The Last Unicorn.mp3'
'COMM:MusicMatch_Serial:XXX'                        '264EE96'
'TALB' (Album/Movie/Show title)                     'The Best of America: Centenary Collection'
'TBPM' (BPM (beats per minute))                     '95.573'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-soft'
'TDRC' (Recording time)                             '1999'
'TKEY' (Initial key)                                '6B'
'TLEN' (Length)                                     '188000'
'TPE1' (Lead performer(s)/Soloist(s))               'America'
'TPE2' (Band/orchestra/accompaniment)               'America'
'TPUB' (Publisher)                                  'EMI Records'
'TRCK' (Track number/Position in set)               '3/20'
'TSOP' (Performer sort order)                       'America'
'TXXX:ALBUMARTISTSORT'                              'America'
'TXXX:ASIN'                                         'B000005RRZ'
'TXXX:BARCODE'                                      '724385555923'
'TXXX:CATALOGNUMBER'                                '855559-2'
'TXXX:MusicBrainz Album Artist Id'                  '34cf95c7-4be9-4efd-a48a-c2ea4a0bb114'
'TXXX:MusicBrainz Album Id'                         '4bcb4080-9080-4c46-a999-f2a3e81e432f'
'TXXX:MusicBrainz Album Release Country'            'BR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '34cf95c7-4be9-4efd-a48a-c2ea4a0bb114'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['folk rock', '70s', 'soft rock', 'rock', 'folk', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.15 dB'
'TXXX:replaygain_track_peak'                        '0.807169'
'TXXX:title'                                        ['The Last Unicorn', 'America - The Last Unicorn']

========================== row from database ==========================
                                              'id'  1315583
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/top, dance, club, best of, etc/America - The Last Unicorn - The Best of America Centenary Collection.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  188
                                           'genre'  rock-pop-soft
                                        'filesize'  3027004
                                           'mtime'  1620736621
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted top, dance, club, best of, etc Last Unicorn rock pop soft
                                      'tag_artist'  America
                                     'tag_release'  The Best of America: Centenary Collection
                                       'tag_title'  None
                                             'bpm'  95.573
                                    'search_title'  None
                                   'search_artist'  'america':1
                                  'search_release'  'america':4,5 'best':2 'centenary':6 'collection':7 'of':3 'the':1
                                     'search_rest'  '00poprockelectronic':1 'best':9 'club':7,8 'dance':5,6 'etc':12 'last':13 'of':10,11 'pop':16 'rock':15 'soft':17 'top':3,4 'unicorn':14 'unsorted':2
                                    'search_combo'  '00poprockelectronic':9 'america':1B,5C,6C 'best':3C,17 'centenary':7C 'club':15,16 'collection':8C 'dance':13,14 'etc':20 'last':21 'of':4C,18,19 'pop':24 'rock':23 'soft':25 'the':2C 'top':11,12 'unicorn':22 'unsorted':10
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-piano-1', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['folk rock', '70s', 'soft rock', 'rock', 'folk', 'classic rock']
                                        'tag_date'  1999
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620736621.0218067  (2021-05-11 14:37:01)
                             'size'  3027004