======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '144'
                                          'artist'  'Orriel Smith'
                                     'text_people'  ''
                                         'release'  'Audio CD 1'
                                           'title'  "Olympia's Doll Song"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['singer', 'folk', 'chillout', 'comedy', 'usa']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '7'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '129.6'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Audio CD 1'
'TBPM' (BPM (beats per minute))                     '129.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TENC' (Encoded by)                                 'SoundJam MP'
'TIT2' (Title/songname/content description)         "Olympia's Doll Song"
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Orriel Smith'
'TRCK' (Track number/Position in set)               '4/7'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['singer', 'folk', 'chillout', 'comedy', 'usa']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'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'                        '-0.33 dB'
'TXXX:replaygain_track_peak'                        '0.931508'

========================== row from database ==========================
                                              'id'  1508784
                                            'path'  /data/Music/Bulk/00spent/Chickens/Orriel Smith - Olympia_s Doll Song.mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  144
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  1157120
                                           'mtime'  1636916607
                                   'redo_metaread'  0
                                        'rest_str'   00spent Chickens Olympia_s electronic experimental oddness
                                      'tag_artist'  Orriel Smith
                                     'tag_release'  Audio CD 1
                                       'tag_title'  Olympia's Doll Song
                                             'bpm'  129.6
                                    'search_title'  'doll':4 'olympia':1 'olympias':3 's':2 'song':5
                                   'search_artist'  'orriel':1 'smith':2
                                  'search_release'  '1':3 'audio':1 'cd':2
                                     'search_rest'  '00spent':1 'chickens':2 'electronic':5 'experimental':6 'oddness':7 'olympia':3 's':4
                                    'search_combo'  '00spent':11 '1':10C 'audio':8C 'cd':9C 'chickens':12 'doll':4A 'electronic':15 'experimental':16 'oddness':17 'olympia':1A,13 'olympias':3A 'orriel':6B 's':2A,14 'smith':7B 'song':5A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['singer', 'folk', 'chillout', 'comedy', 'usa']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916607.2273088  (2021-11-14 20:03:27)
                             'size'  1157120