======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '136'
                                          'artist'  'Sweaty Nipples'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Tequila'
                                           '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-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['weird', 'punk rock', 'mr.bungle', 'portland', 'noise rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '142.809'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '142.809'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Tequila'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sweaty Nipples'
'TXXX:Mp3gain_minmax'                               '102,205'
'TXXX:Mp3gain_undo'                                 '+005,+005,N'
'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'                                   ['weird', 'punk rock', 'mr.bungle', 'portland', 'noise rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.47 dB'
'TXXX:replaygain_track_peak'                        '0.481563'

========================== row from database ==========================
                                              'id'  1421714
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Sweaty Nipples/Bug Harvest/Sweaty Nipples - Tequila.mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  136
                                           'genre'  rock-gr-punk
                                        'filesize'  1913596
                                           'mtime'  1622659140
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner Bug Harvest rock gr punk
                                      'tag_artist'  Sweaty Nipples
                                     'tag_release'  None
                                       'tag_title'  Tequila
                                             'bpm'  142.809
                                    'search_title'  'tequila':1
                                   'search_artist'  'nipples':2 'sweaty':1
                                  'search_release'  
                                     'search_rest'  'bug':5 'garage':2 'gr':8 'harvest':6 'punk':1 'rock':7 'stoner':4 'surf':3
                                    'search_combo'  'bug':8 'garage':5 'gr':11 'harvest':9 'nipples':3B 'punk':4 'rock':10 'stoner':7 'surf':6 'sweaty':2B 'tequila':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['weird', 'punk rock', 'mr.bungle', 'portland', 'noise rock']
                                        'tag_date'  1995
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622659140.0036678  (2021-06-02 20:39:00)
                             'size'  1913596