======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '183'
                                          'artist'  'Marauders'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Lovin' (Mercury)"
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['wizard rock', 'psychobilly', 'american', '60s garage', 'neo-rockabilly']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-sex'
                                             'bpm'  '129.646'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '129.646'
'TCON' (Content type, a.k.a. Genre)                 'set-th-sex'
'TIT2' (Title/songname/content description)         "Lovin' (Mercury)"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Marauders'
'TXXX:Mp3gain_minmax'                               '124,182'
'TXXX:Mp3gain_undo'                                 '+005,+005,N'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['wizard rock', 'psychobilly', 'american', '60s garage', 'neo-rockabilly']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.09 dB'
'TXXX:replaygain_track_peak'                        '0.606422'

========================== row from database ==========================
                                              'id'  1515007
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/sexy/Marauders - Lovin_ (Mercury).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  183
                                           'genre'  set-th-sex
                                        'filesize'  3678374
                                           'mtime'  1620343520
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes sexy Lovin_ set th sex
                                      'tag_artist'  Marauders
                                     'tag_release'  None
                                       'tag_title'  Lovin' (Mercury)
                                             'bpm'  129.646
                                    'search_title'  'lovin':1,2 'mercury':3,4
                                   'search_artist'  'marauders':1
                                  'search_release'  
                                     'search_rest'  '0novelty':2 '0playlists':1 'lovin':5 'set':6 'sex':8 'sexy':4 'th':7 'themes':3
                                    'search_combo'  '0novelty':7 '0playlists':6 'lovin':1A,2A,10 'marauders':5B 'mercury':3A,4A 'set':11 'sex':13 'sexy':9 'th':12 'themes':8
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['wizard rock', 'psychobilly', 'american', '60s garage', 'neo-rockabilly']
                                        'tag_date'  
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620343520.0504737  (2021-05-07 01:25:20)
                             'size'  3678374