======================== unified (from filesystem) ========================
                                         'bitrate'  '191.982'
                                        'duration'  '273'
                                          'artist'  'Mariah Carey'
                                     'text_people'  ''
                                         'release'  'Daydream'
                                           'title'  'Long Ago'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rnb', 'female vocalists', 'soul', 'pop']"
                                     'discogstags'  "['hip hop', 'rnb/swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '12'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'rock-pop-early-rnb'
                                             'bpm'  '92.942'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Daydream'
'TBPM' (BPM (beats per minute))                     '92.942'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early-rnb'
'TDRC' (Recording time)                             '1995-09-19'
'TIT2' (Title/songname/content description)         'Long Ago'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mariah Carey'
'TPE2' (Band/orchestra/accompaniment)               'Mariah Carey'
'TPUB' (Publisher)                                  'Columbia Records'
'TRCK' (Track number/Position in set)               '8/12'
'TSOP' (Performer sort order)                       'Carey, Mariah'
'TXXX:ALBUMARTISTSORT'                              'Carey, Mariah'
'TXXX:ASIN'                                         'B000002AVF'
'TXXX:BARCODE'                                      '5099748136725'
'TXXX:CATALOGNUMBER'                                '481367 2'
'TXXX:MusicBrainz Album Artist Id'                  '494e8d09-f85b-4543-892f-a5096aed1cd4'
'TXXX:MusicBrainz Album Id'                         '68768480-08fa-4593-886c-c03ad0a14234'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '494e8d09-f85b-4543-892f-a5096aed1cd4'
'TXXX:MusicIP PUID'                                 '44ee5805-503d-879e-d00c-cece077ddab0'
'TXXX:MusicMagic Data'                              'AgEAAB6PkzKOhbwXgn3ltklLtaGCKYu/0YWe4TnYqKHp78HVgAHaKK8tsRXUBpxcgkaAAdA5gwzRxPFNgAHd3P4q8M+tsrujowzo/pNgmGHZWoW40l9I6J1mgp6F79wpmvYvn46J5pKpJoXl6jyuaJ9rvrSQmYPggAHLgqRz6u7MfIATvmn9Hv9npjq1rJg0lO0='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:added_timestamp'                              '128930990202923527'
'TXXX:discogstags'                                  ['hip hop', 'rnb/swing']
'TXXX:lastfmtags'                                   ['rnb', 'female vocalists', 'soul', 'pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+4.90 dB'
'TXXX:replaygain_track_peak'                        '0.331304'

========================== row from database ==========================
                                              'id'  1294758
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/08-long ago.mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  273
                                           'genre'  rock-pop-early-rnb
                                        'filesize'  6580891
                                           'mtime'  1620736407
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 08 long ago rock pop early rnb
                                      'tag_artist'  Mariah Carey
                                     'tag_release'  Daydream
                                       'tag_title'  Long Ago
                                             'bpm'  92.942
                                    'search_title'  'ago':2 'long':1
                                   'search_artist'  'carey':2 'mariah':1
                                  'search_release'  'daydream':1
                                     'search_rest'  '00poprockelectronic':1 'ago':8 'early':11 'files':5,6 'long':7 'loose':3,4 'pop':10 'rnb':12 'rock':9 'unsorted':2
                                    'search_combo'  '00poprockelectronic':6 'ago':2A,13 'carey':4B 'daydream':5C 'early':16 'files':10,11 'long':1A,12 'loose':8,9 'mariah':3B 'pop':15 'rnb':17 'rock':14 'unsorted':7
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'female vocalists', 'soul', 'pop']
                                        'tag_date'  1995
                                     'discogstags'  ['hip hop', 'rnb/swing']

============================== file details ==============================
                                           'mtime'  1620736406.9088187  (2021-05-11 14:33:26)
                             'size'  6580891