======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '213'
                                          'artist'  'David Bowie'
                                     'text_people'  ''
                                         'release'  'The Rise and Fall of Ziggy Sta'
                                           'title'  'Lady Stardust (demo)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'Q-PLAY-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-chart-4', 'q-drums-1', 'q-other-1', 'q-vocals-4', 'q-mixbeat-2', "
 "'Q-PIANO-4']")
                                      'lastfmtags'  "['classic rock', '80s', 'alternative', 'rock', 'glam rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '116.053'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Rise and Fall of Ziggy Sta'
'TBPM' (BPM (beats per minute))                     '116.053'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '1972'
'TIT2' (Title/songname/content description)         'Lady Stardust (demo)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'David Bowie'
'TRCK' (Track number/Position in set)               '16'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['classic rock', '80s', 'alternative', 'rock', 'glam rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.26 dB'
'TXXX:replaygain_track_peak'                        '0.463649'

========================== row from database ==========================
                                              'id'  174115
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/David Bowie/David Bowie - 1972 - Ziggy Stardust/MBZ;#David Bowie;#The Rise and Fall of Ziggy Stardust and The Spiders From Mars;#0000-00-00;#16;#Lady Stardust (demo).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  213
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  3423736
                                           'mtime'  1623430282
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 1972 MBZ;#David Bowie;#The Spiders From Mars;#0000 00 00;#16;#Lady ifs songwriter eos
                                      'tag_artist'  David Bowie
                                     'tag_release'  The Rise and Fall of Ziggy Sta
                                       'tag_title'  Lady Stardust (demo)
                                             'bpm'  116.053
                                    'search_title'  'demo':3,4 'lady':1 'stardust':2
                                   'search_artist'  'bowie':2 'david':1
                                  'search_release'  'and':3 'fall':4 'of':5 'rise':2 'sta':7 'the':1 'ziggy':6
                                     'search_rest'  '00':19,20,23 '0000':16,18 '00singer':1 '16':21,24 '1972':4 'bowie':9,11 'david':6,8 'eos':3 'from':14 'ifs':26 'lady':22,25 'mars':15,17 'mbz':5,7 'songwriter':2 'spiders':13 'the':10,12
                                    'search_combo'  '00':32,33,36 '0000':29,31 '00singer':14 '16':34,37 '1972':17 'and':9C 'bowie':6B,22,24 'david':5B,19,21 'demo':3A,4A 'eos':16 'fall':10C 'from':27 'ifs':39 'lady':1A,35,38 'mars':28,30 'mbz':18,20 'of':11C 'rise':8C 'songwriter':15 'spiders':26 'sta':13C 'stardust':2A 'the':7C,23,25 'ziggy':12C
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['classic rock', '80s', 'alternative', 'rock', 'glam rock']
                                        'tag_date'  1972
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1623430281.584611  (2021-06-11 18:51:21)
                             'size'  3423736