======================== unified (from filesystem) ========================
                                         'bitrate'  '189.87'
                                        'duration'  '261'
                                          'artist'  'Sufjan Stevens'
                                     'text_people'  ''
                                         'release'  'Illinois'
                                           'title'  'Out Of Egypt'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-1', 'q-other-4', 'q-vocals-1', 'q-mixbeat-1', "
 "'Q-PIANO-3']")
                                      'lastfmtags'  "['indie', 'beautiful', 'mellow', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'pop', 'stage & screen', 'folk rock', 'indie pop', 'theme']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '22'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '112.8'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Illinois'
'TBPM' (BPM (beats per minute))                     '112.8'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Out Of Egypt'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sufjan Stevens'
'TRCK' (Track number/Position in set)               '22'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'pop', 'stage & screen', 'folk rock', 'indie pop', 'theme']
'TXXX:lastfmtags'                                   ['indie', 'beautiful', 'mellow', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.01 dB'
'TXXX:replaygain_track_peak'                        '0.495588'

========================== row from database ==========================
                                              'id'  1273527
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Sufjan Stevens/Illinois/22 - out of egypt.mp3
                                         'working'  None
                                         'bitrate'  189
                                    'duration_sec'  261
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  6209418
                                           'mtime'  1636759521
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 22 out of egypt ifs songwriter indie unsorted
                                      'tag_artist'  Sufjan Stevens
                                     'tag_release'  Illinois
                                       'tag_title'  Out Of Egypt
                                             'bpm'  112.8
                                    'search_title'  'egypt':3 'of':2 'out':1
                                   'search_artist'  'stevens':2 'sufjan':1
                                  'search_release'  'illinois':1
                                     'search_rest'  '00singer':1 '22':4 'egypt':7 'eos':3 'ifs':8 'indie':9 'of':6 'out':5 'songwriter':2 'unsorted':10
                                    'search_combo'  '00singer':7 '22':10 'egypt':3A,13 'eos':9 'ifs':14 'illinois':6C 'indie':15 'of':2A,12 'out':1A,11 'songwriter':8 'stevens':5B 'sufjan':4B 'unsorted':16
                                    'tag_tracknum'  22
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'beautiful', 'mellow', 'folk', 'singer songwriter']
                                        'tag_date'  2005
                                     'discogstags'  ['rock', 'pop', 'stage & screen', 'folk rock', 'indie pop', 'theme']

============================== file details ==============================
                                           'mtime'  1636759521.288798  (2021-11-13 00:25:21)
                             'size'  6209418