======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '321'
                                          'artist'  'Bob Dylan'
                                     'text_people'  'Bob Dylan'
                                         'release'  'Time Out Of Mind'
                                           'title'  'Trying to get to heaven'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['folk rock', 'rock', 'classic rock', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'blues', 'blues rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-folk'
                                             'bpm'  '94.724'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Time Out Of Mind'
'TBPM' (BPM (beats per minute))                     '94.724'
'TCOM' (Composer)                                   'Bob Dylan'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-folk'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Trying to get to heaven'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bob Dylan'
'TPE2' (Band/orchestra/accompaniment)               'Bob Dylan'
'TPUB' (Publisher)                                  'Columbia International'
'TRCK' (Track number/Position in set)               '5'
'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:discogstags'                                  ['rock', 'blues', 'blues rock']
'TXXX:lastfmtags'                                   ['folk rock', 'rock', 'classic rock', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.50 dB'
'TXXX:replaygain_track_peak'                        '0.819928'

========================== row from database ==========================
                                              'id'  1422829
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Bob Dylan/1997 - Time Out of Mind/05 Trying to get to heaven.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  321
                                           'genre'  ifs-songwriter-folk
                                        'filesize'  7728157
                                           'mtime'  1636400723
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 1997 of 05 ifs songwriter folk
                                      'tag_artist'  Bob Dylan
                                     'tag_release'  Time Out Of Mind
                                       'tag_title'  Trying to get to heaven
                                             'bpm'  94.724
                                    'search_title'  'get':3 'heaven':4 'to':2 'trying':1
                                   'search_artist'  'bob':1 'dylan':2
                                  'search_release'  'mind':4 'of':3 'out':2 'time':1
                                     'search_rest'  '00singer':1 '1997':4 'eos':3 'folk':7 'ifs':6 'of':5 'songwriter':2
                                    'search_combo'  '00singer':11 '1997':14 'bob':5B 'dylan':6B 'eos':13 'folk':17 'get':3A 'heaven':4A 'ifs':16 'mind':10C 'of':9C,15 'out':8C 'songwriter':12 'time':7C 'to':2A 'trying':1A
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['folk rock', 'rock', 'classic rock', 'folk', 'singer songwriter']
                                        'tag_date'  1997
                                     'discogstags'  ['rock', 'blues', 'blues rock']

============================== file details ==============================
                                           'mtime'  1636400722.8350272  (2021-11-08 20:45:22)
                             'size'  7728157