======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '174'
                                          'artist'  'Nekromantix'
                                     'text_people'  ''
                                         'release'  'Return Of The Loving Dead'
                                           'title'  "I'm A Hellcat"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'Q-SYN-3', 'Q-BUSY-3', 'Q-GRIT-2', 'q-bass-2', 'Q-CHART-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'Q-MIXBEAT-2', "
 "'Q-PLAY-2']")
                                      'lastfmtags'  "['psychobilly', 'horror punk', 'rockabilly', 'punk', 'punk rock']"
                                     'discogstags'  "['psychobilly', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '124.5'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Return Of The Loving Dead'
'TBPM' (BPM (beats per minute))                     '124.5'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         "I'm A Hellcat"
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '0'
'TPE1' (Lead performer(s)/Soloist(s))               'Nekromantix'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['psychobilly', 'rock']
'TXXX:lastfmtags'                                   ['psychobilly', 'horror punk', 'rockabilly', 'punk', 'punk rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.15 dB'
'TXXX:replaygain_track_peak'                        '0.340705'

========================== row from database ==========================
                                              'id'  1505614
                                            'path'  /data/Music/Bulk/00dwimp/Nekromantix - 2002 - Return Of The Loving Dead/11 - I_m A Hellcat.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  174
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  4200443
                                           'mtime'  1620525189
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 2002 11 I_m rock rockabilly or psychobilly
                                      'tag_artist'  Nekromantix
                                     'tag_release'  Return Of The Loving Dead
                                       'tag_title'  I'm A Hellcat
                                             'bpm'  124.5
                                    'search_title'  'a':4 'hellcat':5 'i':1 'im':3 'm':2
                                   'search_artist'  'nekromantix':1
                                  'search_release'  'dead':5 'loving':4 'of':2 'return':1 'the':3
                                     'search_rest'  '00dwimp':1 '2002':2 'i':3 'm':4 'or':7 'psychobilly':8 'rock':5 'rockabilly':6
                                    'search_combo'  '00dwimp':12 '2002':13 'a':4A 'dead':11C 'hellcat':5A 'i':1A,14 'im':3A 'loving':10C 'm':2A,15 'nekromantix':6B 'of':8C 'or':18 'psychobilly':19 'return':7C 'rock':16 'rockabilly':17 'the':9C
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-3', 'Q-SYN-3', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-2']
                                      'lastfmtags'  ['psychobilly', 'horror punk', 'rockabilly', 'punk', 'punk rock']
                                        'tag_date'  2002
                                     'discogstags'  ['psychobilly', 'rock']

============================== file details ==============================
                                           'mtime'  1620525189.4569762  (2021-05-09 03:53:09)
                             'size'  4200443