======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '227'
                                          'artist'  'Donna Summer'
                                     'text_people'  ''
                                         'release'  'The Hustle'
                                           'title'  'I Feel Love'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', '70s', 'female vocalists', 'pop', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '125.626'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Hustle'
'TBPM' (BPM (beats per minute))                     '125.626'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'I Feel Love'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Donna Summer'
'TXXX:Mp3gain_minmax'                               '104,193'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:Tracknum'                                     '01'
'TXXX:lastfmtags'                                   ['dance', '70s', 'female vocalists', 'pop', 'disco']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.48 dB'
'TXXX:replaygain_track_peak'                        '0.628278'

========================== row from database ==========================
                                              'id'  1239791
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/[19XX] The Hustle/Donna Summer - 01 - I Feel Love.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  227
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  4562404
                                           'mtime'  1620532876
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul [19XX] 01 electronic we disco or italo
                                      'tag_artist'  Donna Summer
                                     'tag_release'  The Hustle
                                       'tag_title'  I Feel Love
                                             'bpm'  125.626
                                    'search_title'  'feel':2 'i':1 'love':3
                                   'search_artist'  'donna':1 'summer':2
                                  'search_release'  'hustle':2 'the':1
                                     'search_rest'  '19xx':4,5 'disco':8 'electronic':6 'funk':2 'italo':10 'or':9 'soul':3 'swing':1 'we':7
                                    'search_combo'  '19xx':11,12 'disco':15 'donna':4B 'electronic':13 'feel':2A 'funk':9 'hustle':7C 'i':1A 'italo':17 'love':3A 'or':16 'soul':10 'summer':5B 'swing':8 'the':6C 'we':14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['dance', '70s', 'female vocalists', 'pop', 'disco']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620532875.5623133  (2021-05-09 06:01:15)
                             'size'  4562404