======================== unified (from filesystem) ========================
                                         'bitrate'  '122.488'
                                        'duration'  '171'
                                          'artist'  'Zombina & The Skeletones'
                                     'text_people'  ''
                                         'release'  'Love Bites [EP]'
                                           'title'  'I wanna be your ghoulfriend'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['horror punk', 'psychobilly', 'deathrock', 'punk', 'female vocalists']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '141.611'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Love Bites [EP]'
'TBPM' (BPM (beats per minute))                     '141.611'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'I wanna be your ghoulfriend'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Zombina & The Skeletones'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['horror punk', 'psychobilly', 'deathrock', 'punk', 'female vocalists']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                        '+0.21 dB'
'TXXX:replaygain_track_peak'                        '0.564036'

========================== row from database ==========================
                                              'id'  135672
                                            'path'  /data/Music/Bulk/00dwimp/Zombina & The Skeletones/I Wanna be your Ghoulfriend.mp3
                                         'working'  None
                                         'bitrate'  122
                                    'duration_sec'  171
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  2629018
                                           'mtime'  1620525244
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp Wanna Ghoulfriend rock rockabilly or psychobilly
                                      'tag_artist'  Zombina & The Skeletones
                                     'tag_release'  Love Bites [EP]
                                       'tag_title'  I wanna be your ghoulfriend
                                             'bpm'  141.611
                                    'search_title'  'be':3 'ghoulfriend':5 'i':1 'wanna':2 'your':4
                                   'search_artist'  'skeletones':3 'the':2 'zombina':1
                                  'search_release'  'bites':2 'ep':3,4 'love':1
                                     'search_rest'  '00dwimp':1 'ghoulfriend':3 'or':6 'psychobilly':7 'rock':4 'rockabilly':5 'wanna':2
                                    'search_combo'  '00dwimp':13 'be':3A 'bites':10C 'ep':11C,12C 'ghoulfriend':5A,15 'i':1A 'love':9C 'or':18 'psychobilly':19 'rock':16 'rockabilly':17 'skeletones':8B 'the':7B 'wanna':2A,14 'your':4A 'zombina':6B
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['horror punk', 'psychobilly', 'deathrock', 'punk', 'female vocalists']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620525243.5537121  (2021-05-09 03:54:03)
                             'size'  2629018