======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '173'
                                          'artist'  'Mumford & Sons'
                                     'text_people'  ''
                                         'release'  'Sigh No More'
                                           'title'  'Timshel'
                                           'quals'  ("['Q-HAP-3', '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-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'indie folk', 'music to chase squirrels by', 'british', 'folk']"
                                     'discogstags'  "['rock', 'pop', 'folk rock', 'bluegrass', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '12'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '143.314'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sigh No More'
'TBPM' (BPM (beats per minute))                     '143.314'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Timshel'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Mumford & Sons'
'TPE2' (Band/orchestra/accompaniment)               'Mumford & Sons'
'TRCK' (Track number/Position in set)               '8/12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'pop', 'folk rock', 'bluegrass', 'folk']
'TXXX:lastfmtags'                                   ['indie', 'indie folk', 'music to chase squirrels by', 'british', 'folk']
'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-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.83 dB'
'TXXX:replaygain_track_peak'                        '0.422136'

========================== row from database ==========================
                                              'id'  1380246
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Mumford & Sons - Mumford and sons/Sigh No More/08-Timshel.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  173
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  6932184
                                           'mtime'  1621697332
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock and sons 08 ifs songwriter indie rock
                                      'tag_artist'  Mumford & Sons
                                     'tag_release'  Sigh No More
                                       'tag_title'  Timshel
                                             'bpm'  143.314
                                    'search_title'  'timshel':1
                                   'search_artist'  'mumford':1 'sons':2
                                  'search_release'  'more':3 'no':2 'sigh':1
                                     'search_rest'  '00poprockelectronic':1 'and':4 'ifs':6 'indie':8 'indierock':3 'poprock':2 'rock':9 'songwriter':7 'sons':5
                                    'search_combo'  '00poprockelectronic':7 'and':10 'ifs':12 'indie':14 'indierock':9 'more':6C 'mumford':2B 'no':5C 'poprock':8 'rock':15 'sigh':4C 'songwriter':13 'sons':3B,11 'timshel':1A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  7B
                                           '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-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie folk', 'music to chase squirrels by', 'british', 'folk']
                                        'tag_date'  2009
                                     'discogstags'  ['rock', 'pop', 'folk rock', 'bluegrass', 'folk']

============================== file details ==============================
                                           'mtime'  1621697332.2928145  (2021-05-22 17:28:52)
                             'size'  6932184