======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '245'
                                          'artist'  'King, Elle'
                                     'text_people'  ''
                                         'release'  'Love Stuff'
                                           'title'  "America's Sweetheart"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '12'
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '128.008'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Love Stuff'
'TBPM' (BPM (beats per minute))                     '128.008'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2015'
'TENC' (Encoded by)                                 'AryaN_L33T'
'TIT2' (Title/songname/content description)         "America's Sweetheart"
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Elle King'
'TPE2' (Band/orchestra/accompaniment)               'King, Elle'
'TPUB' (Publisher)                                  'RCA Records (Sony Music)'
'TRCK' (Track number/Position in set)               '7/12'
'TSOP' (Performer sort order)                       'King, Elle'
'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:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.46 dB'
'TXXX:replaygain_track_peak'                        '0.348900'

========================== row from database ==========================
                                              'id'  1504448
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Love Stuff/07 America_s Sweetheart.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  245
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  11383689
                                           'mtime'  1621697310
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 07 America_s ifs songwriter indie rock
                                      'tag_artist'  King, Elle
                                     'tag_release'  Love Stuff
                                       'tag_title'  America's Sweetheart
                                             'bpm'  128.008
                                    'search_title'  'america':1 'americas':3 's':2 'sweetheart':4
                                   'search_artist'  'elle':3 'king':1,2
                                  'search_release'  'love':1 'stuff':2
                                     'search_rest'  '00poprockelectronic':1 'america':4 'ifs':6 'indie':8 'indierock':3 'poprock':2 'rock':9 's':5 'songwriter':7
                                    'search_combo'  '00poprockelectronic':10 'america':1A,13 'americas':3A 'elle':7B 'ifs':15 'indie':17 'indierock':12 'king':5B,6B 'love':8C 'poprock':11 'rock':18 's':2A,14 'songwriter':16 'stuff':9C 'sweetheart':4A
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  []
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697310.3637805  (2021-05-22 17:28:30)
                             'size'  11383689