======================== unified (from filesystem) ========================
                                         'bitrate'  '127.987'
                                        'duration'  '248'
                                          'artist'  'Nickelback'
                                     'text_people'  ''
                                         'release'  "Kerrang! The Album '09 (disc 1)"
                                           'title'  'If Today Was Your Last Day'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'hard rock', 'canadian', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '21'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '89.970'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "Kerrang! The Album '09 (disc 1)"
'TBPM' (BPM (beats per minute))                     '89.970'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '2009-08-03'
'TIT2' (Title/songname/content description)         'If Today Was Your Last Day'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Nickelback'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Rhino'
'TRCK' (Track number/Position in set)               '8/21'
'TSOP' (Performer sort order)                       'Nickelback'
'TXXX:ALBUMARTISTSORT'                              'Various Artists'
'TXXX:ASIN'                                         'B002DYIR92'
'TXXX:BARCODE'                                      '5051865486626'
'TXXX:CATALOGNUMBER'                                'WMTV109'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '087e4fd8-4fb2-4769-992b-b51eb2fffd94'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'bc710bcf-8815-42cf-bad2-3f1d12246aeb'
'TXXX:MusicIP PUID'                                 '9d7d57b8-fa5a-bed6-94a9-5d278ae9ec2b'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'hard rock', 'canadian', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+9.90 dB'
'TXXX:replaygain_track_peak'                        '0.120863'

========================== row from database ==========================
                                              'id'  1312065
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/99 If today was your last day.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  248
                                           'genre'  rock-unsorted
                                        'filesize'  4006812
                                           'mtime'  1678462873
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 99 today was your last rock unsorted
                                      'tag_artist'  Nickelback
                                     'tag_release'  Kerrang! The Album '09 (disc 1)
                                       'tag_title'  If Today Was Your Last Day
                                             'bpm'  89.97
                                    'search_title'  'day':6 'if':1 'last':5 'today':2 'was':3 'your':4
                                   'search_artist'  'nickelback':1
                                  'search_release'  '09':4,5 '1':8,9 'album':3 'disc':6,7 'kerrang':1 'the':2
                                     'search_rest'  '00poprockelectronic':1 '99':7 'files':5,6 'last':11 'loose':3,4 'rock':12 'today':8 'unsorted':2 'was':9 'your':10
                                    'search_combo'  '00poprockelectronic':17 '09':11C,12C '1':15C,16C '99':23 'album':10C 'day':6A 'disc':13C,14C 'files':21,22 'if':1A 'kerrang':8C 'last':5A,27 'loose':19,20 'nickelback':7B 'rock':28 'the':9C 'today':2A,24 'unsorted':18 'was':3A,25 'your':4A,26
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'hard rock', 'canadian', 'rock']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678462873.1567056  (2023-03-10 16:41:13)
                             'size'  4006812