======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '93'
                                          'artist'  'Peter Pan Speedrock'
                                     'text_people'  ''
                                         'release'  'Spread Eagle'
                                           'title'  "Ain't No Part O' Nothing"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock n roll', 'rock', 'hard rock', 'dutch', 'speedrock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'rock-gr-speed'
                                             'bpm'  '133.579'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Spread Eagle'
'TBPM' (BPM (beats per minute))                     '133.579'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-speed'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         "Ain't No Part O' Nothing"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Peter Pan Speedrock'
'TRCK' (Track number/Position in set)               '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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['rock n roll', 'rock', 'hard rock', 'dutch', 'speedrock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.29 dB'
'TXXX:replaygain_track_peak'                        '0.251402'

========================== row from database ==========================
                                              'id'  1519773
                                            'path'  /data/Music/Bulk/00dwimp/Peter Pan Speedrock/Spread Eagle/07 - Ain_t No Part O_ Nothing.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  93
                                           'genre'  rock-gr-speed
                                        'filesize'  2246656
                                           'mtime'  1636917473
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 07 Ain_t O_ gr speed
                                      'tag_artist'  Peter Pan Speedrock
                                     'tag_release'  Spread Eagle
                                       'tag_title'  Ain't No Part O' Nothing
                                             'bpm'  133.579
                                    'search_title'  'ain':1 'aint':3 'no':4 'nothing':8 'o':6,7 'part':5 't':2
                                   'search_artist'  'pan':2 'peter':1 'speedrock':3
                                  'search_release'  'eagle':2 'spread':1
                                     'search_rest'  '00dwimp':1 'ain':2 'gr':5 'o':4 'speed':6 't':3
                                    'search_combo'  '00dwimp':14 'ain':1A,15 'aint':3A 'eagle':13C 'gr':18 'no':4A 'nothing':8A 'o':6A,7A,17 'pan':10B 'part':5A 'peter':9B 'speed':19 'speedrock':11B 'spread':12C 't':2A,16
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['rock n roll', 'rock', 'hard rock', 'dutch', 'speedrock']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636917473.3218167  (2021-11-14 20:17:53)
                             'size'  2246656