======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '128'
                                          'artist'  'Perfume Genius'
                                     'text_people'  ''
                                         'release'  'Learning'
                                           'title'  'No Problem'
                                           '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-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'lo fi', 'ambient', 'experimental', 'singer songwriter']"
                                     'discogstags'  "['rock', 'folk, world, & country', 'lo-fi', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '121.774'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Learning'
'TBPM' (BPM (beats per minute))                     '121.774'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'No Problem'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Perfume Genius'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'folk, world, & country', 'lo-fi', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'lo fi', 'ambient', 'experimental', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.19 dB'
'TXXX:replaygain_track_peak'                        '0.373149'

========================== row from database ==========================
                                              'id'  1273002
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Perfume Genius- Learning (2010)/07 - no problem.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  128
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  3082066
                                           'mtime'  1621852104
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos (2010) 07 no problem ifs songwriter indie unsorted
                                      'tag_artist'  Perfume Genius
                                     'tag_release'  Learning
                                       'tag_title'  No Problem
                                             'bpm'  121.774
                                    'search_title'  'no':1 'problem':2
                                   'search_artist'  'genius':2 'perfume':1
                                  'search_release'  'learning':1
                                     'search_rest'  '00singer':1 '2010':4,5 'eos':3 'ifs':8 'indie':9 'no':6 'problem':7 'songwriter':2 'unsorted':10
                                    'search_combo'  '00singer':6 '2010':9,10 'eos':8 'genius':4B 'ifs':13 'indie':14 'learning':5C 'no':1A,11 'perfume':3B 'problem':2A,12 'songwriter':7 'unsorted':15
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'lo fi', 'ambient', 'experimental', 'singer songwriter']
                                        'tag_date'  2010
                                     'discogstags'  ['rock', 'folk, world, & country', 'lo-fi', 'indie rock']

============================== file details ==============================
                                           'mtime'  1621852103.5099337  (2021-05-24 12:28:23)
                             'size'  3082066