======================== unified (from filesystem) ========================
                                         'bitrate'  '181.687'
                                        'duration'  '233'
                                          'artist'  'Sufjan Stevens'
                                     'text_people'  ''
                                         'release'  'Illinois'
                                           'title'  'The Seers Towers'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-chart-4', 'q-drums-1', 'q-other-3', 'q-vocals-3', 'q-mixbeat-1', "
 "'Q-PIANO-4']")
                                      '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'  '19'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '142.3'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Illinois'
'TBPM' (BPM (beats per minute))                     '142.3'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'The Seers Towers'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sufjan Stevens'
'TRCK' (Track number/Position in set)               '19'
'TXXX:Q-HAP'                                        '2'
'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: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'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.94 dB'
'TXXX:replaygain_track_peak'                        '0.508474'

========================== row from database ==========================
                                              'id'  1255359
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Sufjan Stevens/Illinois/19 - the seers tower.mp3
                                         'working'  None
                                         'bitrate'  181
                                    'duration_sec'  233
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  5318538
                                           'mtime'  1636759521
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 19 the seers tower ifs songwriter indie unsorted
                                      'tag_artist'  Sufjan Stevens
                                     'tag_release'  Illinois
                                       'tag_title'  The Seers Towers
                                             'bpm'  142.3
                                    'search_title'  'seers':2 'the':1 'towers':3
                                   'search_artist'  'stevens':2 'sufjan':1
                                  'search_release'  'illinois':1
                                     'search_rest'  '00singer':1 '19':4 'eos':3 'ifs':8 'indie':9 'seers':6 'songwriter':2 'the':5 'tower':7 'unsorted':10
                                    'search_combo'  '00singer':7 '19':10 'eos':9 'ifs':14 'illinois':6C 'indie':15 'seers':2A,12 'songwriter':8 'stevens':5B 'sufjan':4B 'the':1A,11 'tower':13 'towers':3A 'unsorted':16
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', '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-3', 'Q-HAP-2', 'Q-PLAY-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'  1636759521.179447  (2021-11-13 00:25:21)
                             'size'  5318538