======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '153'
                                          'artist'  'Belle & Sebastian'
                                     'text_people'  ''
                                         'release'  'Fold Your Hands Child, You Walk Like A Peasant'
                                           'title'  'The Chalet Lines'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'indie pop', 'alternative', 'pop', 'scottish']"
                                     'discogstags'  "['rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '94.680'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Fold Your Hands Child, You Walk Like A Peasant'
'TBPM' (BPM (beats per minute))                     '94.680'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'The Chalet Lines'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Belle and Sebastian'
'TPE2' (Band/orchestra/accompaniment)               'Belle & Sebastian'
'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', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'alternative', 'pop', 'scottish']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.34 dB'
'TXXX:replaygain_track_peak'                        '0.828041'

========================== row from database ==========================
                                              'id'  1276164
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Belle and Sebastian - Belle & Sebastian/Fold Your Hands Child, You Walk Like A Peasant/Belle & Sebastian-Fold Your Hands Child, You Walk Like A Peasant-07-The Chalet Lines.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  153
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  3690590
                                           'mtime'  1636917113
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 07 ifs songwriter indie unsorted
                                      'tag_artist'  Belle & Sebastian
                                     'tag_release'  Fold Your Hands Child, You Walk Like A Peasant
                                       'tag_title'  The Chalet Lines
                                             'bpm'  94.68
                                    'search_title'  'chalet':2 'lines':3 'the':1
                                   'search_artist'  'belle':1 'sebastian':2
                                  'search_release'  'a':9 'child':4,5 'fold':1 'hands':3 'like':8 'peasant':10 'walk':7 'you':6 'your':2
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'indie':5 'songwriter':2 'unsorted':6
                                    'search_combo'  '00singer':16 'a':14C 'belle':4B 'chalet':2A 'child':9C,10C 'eos':18 'fold':6C 'hands':8C 'ifs':19 'indie':20 'like':13C 'lines':3A 'peasant':15C 'sebastian':5B 'songwriter':17 'the':1A 'unsorted':21 'walk':12C 'you':11C 'your':7C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', '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-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'alternative', 'pop', 'scottish']
                                        'tag_date'  2000
                                     'discogstags'  ['rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1636917113.1408234  (2021-11-14 20:11:53)
                             'size'  3690590