======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '108'
                                          'artist'  'Gossip'
                                     'text_people'  ''
                                         'release'  'Arkansas Heat'
                                           'title'  'Rules for Luv'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'punk', 'female vocalists', 'indie rock', 'rock']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '101.768'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Arkansas Heat'
'TBPM' (BPM (beats per minute))                     '101.768'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Rules for Luv'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gossip'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['indie', 'punk', 'female vocalists', 'indie rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.27 dB'
'TXXX:replaygain_track_peak'                        '0.363755'

========================== row from database ==========================
                                              'id'  1375222
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Gossip/Arkensas Heat/02 Rules for Luv.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  108
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  2604003
                                           'mtime'  1621697239
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock Arkensas 02 ifs songwriter indie rock
                                      'tag_artist'  Gossip
                                     'tag_release'  Arkansas Heat
                                       'tag_title'  Rules for Luv
                                             'bpm'  101.768
                                    'search_title'  'for':2 'luv':3 'rules':1
                                   'search_artist'  'gossip':1
                                  'search_release'  'arkansas':1 'heat':2
                                     'search_rest'  '00poprockelectronic':1 'arkensas':4 'ifs':5 'indie':7 'indierock':3 'poprock':2 'rock':8 'songwriter':6
                                    'search_combo'  '00poprockelectronic':7 'arkansas':5C 'arkensas':10 'for':2A 'gossip':4B 'heat':6C 'ifs':11 'indie':13 'indierock':9 'luv':3A 'poprock':8 'rock':14 'rules':1A 'songwriter':12
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  4A
                                           '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-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'punk', 'female vocalists', 'indie rock', 'rock']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621697238.6749249  (2021-05-22 17:27:18)
                             'size'  2604003