======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '194'
                                          'artist'  'Hamburglers'
                                     'text_people'  ''
                                         'release'  'Happy Meal'
                                           'title'  "Straight Jackin' (My Spot)"
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                     'discogstags'  "['electronic', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '94.9'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Happy Meal'
'TBPM' (BPM (beats per minute))                     '94.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         "Straight Jackin' (My Spot)"
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Hamburglers'
'TPE2' (Band/orchestra/accompaniment)               'Hamburglers'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.61 dB'
'TXXX:replaygain_track_peak'                        '0.609069'

========================== row from database ==========================
                                              'id'  648252
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/Hamburglers - straight jackin my spot.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  194
                                           'genre'  electronic-unsorted
                                        'filesize'  3117627
                                           'mtime'  1620544376
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music for maniacs straight jackin my spot electronic unsorted
                                      'tag_artist'  Hamburglers
                                     'tag_release'  Happy Meal
                                       'tag_title'  Straight Jackin' (My Spot)
                                             'bpm'  94.9
                                    'search_title'  'jackin':2,3 'my':4,5 'spot':6,7 'straight':1
                                   'search_artist'  'hamburglers':1
                                  'search_release'  'happy':1 'meal':2
                                     'search_rest'  'electronic':8 'for':2 'jackin':5 'maniacs':3 'music':1 'my':6 'spot':7 'straight':4 'unsorted':9
                                    'search_combo'  'electronic':18 'for':12 'hamburglers':8B 'happy':9C 'jackin':2A,3A,15 'maniacs':13 'meal':10C 'music':11 'my':4A,5A,16 'spot':6A,7A,17 'straight':1A,14 'unsorted':19
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  5A
                                           '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-4', 'q-syn-2', 'q-chart-1', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2002
                                     'discogstags'  ['electronic', 'experimental']

============================== file details ==============================
                                           'mtime'  1620544376.213102  (2021-05-09 09:12:56)
                             'size'  3117627