======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '49'
                                          'artist'  'Zeke'
                                     'text_people'  ''
                                         'release'  'kicked in the teeth'
                                           'title'  'Killer Inside'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['punk rock', 'hardcore punk', 'punk', 'hardcore', 'speedrock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '113.964'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'kicked in the teeth'
'TBPM' (BPM (beats per minute))                     '113.964'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Killer Inside'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Zeke'
'TRCK' (Track number/Position in set)               '09'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['punk rock', 'hardcore punk', 'punk', 'hardcore', 'speedrock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.84 dB'
'TXXX:replaygain_track_peak'                        '0.424175'

========================== row from database ==========================
                                              'id'  1345536
                                            'path'  /data/Music/Bulk/00poprockelectronic/musica/Zeke/kicked in the teeth/09 - Killer Inside.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  49
                                           'genre'  rock-gr-punk
                                        'filesize'  797983
                                           'mtime'  1622659333
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic musica 09 rock gr punk
                                      'tag_artist'  Zeke
                                     'tag_release'  kicked in the teeth
                                       'tag_title'  Killer Inside
                                             'bpm'  113.964
                                    'search_title'  'inside':2 'killer':1
                                   'search_artist'  'zeke':1
                                  'search_release'  'in':2 'kicked':1 'teeth':4 'the':3
                                     'search_rest'  '00poprockelectronic':1 'gr':4 'musica':2 'punk':5 'rock':3
                                    'search_combo'  '00poprockelectronic':8 'gr':11 'in':5C 'inside':2A 'kicked':4C 'killer':1A 'musica':9 'punk':12 'rock':10 'teeth':7C 'the':6C 'zeke':3B
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['punk rock', 'hardcore punk', 'punk', 'hardcore', 'speedrock']
                                        'tag_date'  1998
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622659332.8550293  (2021-06-02 20:42:12)
                             'size'  797983