======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '319'
                                          'artist'  'Flogging Molly'
                                     'text_people'  ''
                                         'release'  'Drunken Lullabies'
                                           'title'  'Rebels of the Sacred Heart'
                                           '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-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['irish', 'irish punk', 'punk', 'folk', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '103.961'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Drunken Lullabies'
'TBPM' (BPM (beats per minute))                     '103.961'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Rebels of the Sacred Heart'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Flogging Molly'
'TRCK' (Track number/Position in set)               '6'
'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'                                   ['irish', 'irish punk', 'punk', 'folk', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'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'                        '+1.45 dB'
'TXXX:replaygain_track_peak'                        '0.345493'

========================== row from database ==========================
                                              'id'  1306792
                                            'path'  /data/Music/Bulk/00poprockelectronic/Flogging Molly/3.Drunken Lullabies 2002/06 Rebel Of The Scared Heart.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  319
                                           'genre'  rock-gr-punk
                                        'filesize'  7658960
                                           'mtime'  1621489406
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 3.Drunken 2002 06 Of The Scared rock gr punk
                                      'tag_artist'  Flogging Molly
                                     'tag_release'  Drunken Lullabies
                                       'tag_title'  Rebels of the Sacred Heart
                                             'bpm'  103.961
                                    'search_title'  'heart':5 'of':2 'rebels':1 'sacred':4 'the':3
                                   'search_artist'  'flogging':1 'molly':2
                                  'search_release'  'drunken':1 'lullabies':2
                                     'search_rest'  '00poprockelectronic':1 '2002':5 '3':2 '3drunken':4 'drunken':3 'gr':10 'of':6 'punk':11 'rock':9 'scared':8 'the':7
                                    'search_combo'  '00poprockelectronic':10 '2002':14 '3':11 '3drunken':13 'drunken':8C,12 'flogging':6B 'gr':19 'heart':5A 'lullabies':9C 'molly':7B 'of':2A,15 'punk':20 'rebels':1A 'rock':18 'sacred':4A 'scared':17 'the':3A,16
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['irish', 'irish punk', 'punk', 'folk', 'rock']
                                        'tag_date'  2002
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621489405.5678902  (2021-05-20 07:43:25)
                             'size'  7658960