======================== unified (from filesystem) ========================
                                         'bitrate'  '196.656'
                                        'duration'  '309'
                                          'artist'  'Roxette'
                                     'text_people'  ''
                                         'release'  'Best Ballads'
                                           'title'  'Cry'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'pop rock', 'pop', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '89.493'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Best Ballads'
'TBPM' (BPM (beats per minute))                     '89.493'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Cry'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Roxette'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['80s', 'pop rock', 'pop', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.84 dB'
'TXXX:replaygain_track_peak'                        '0.460597'

========================== row from database ==========================
                                              'id'  1286846
                                            'path'  /data/Music/Bulk/00poprockelectronic/Roxette/04_Cry (Demo).mp3
                                         'working'  None
                                         'bitrate'  197
                                    'duration_sec'  309
                                           'genre'  rock-unsorted
                                        'filesize'  7607070
                                           'mtime'  1676053026
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 04_Cry (Demo) rock unsorted
                                      'tag_artist'  Roxette
                                     'tag_release'  Best Ballads
                                       'tag_title'  Cry
                                             'bpm'  89.493
                                    'search_title'  'cry':1
                                   'search_artist'  'roxette':1
                                  'search_release'  'ballads':2 'best':1
                                     'search_rest'  '00poprockelectronic':1 '04':2 'cry':3 'demo':4,5 'rock':6 'unsorted':7
                                    'search_combo'  '00poprockelectronic':5 '04':6 'ballads':4C 'best':3C 'cry':1A,7 'demo':8,9 'rock':10 'roxette':2B 'unsorted':11
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['80s', 'pop rock', 'pop', 'rock']
                                        'tag_date'  2002
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1676053025.8342366  (2023-02-10 19:17:05)
                             'size'  7607070