======================== unified (from filesystem) ========================
                                         'bitrate'  '161.716'
                                        'duration'  '174'
                                          'artist'  'Good Shoes'
                                     'text_people'  ''
                                         'release'  'Think Before You Speak'
                                           'title'  'Ice Age'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'britpop', 'indie rock', 'british']"
                                     'discogstags'  "['indie rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '84.987'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Think Before You Speak'
'TBPM' (BPM (beats per minute))                     '84.987'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'LAME 3.90.3 Modified'
'TIT2' (Title/songname/content description)         'Ice Age'
'TKEY' (Initial key)                                '9B'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Good Shoes'
'TRCK' (Track number/Position in set)               '13'
'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'                                  ['indie rock', 'rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'britpop', 'indie rock', 'british']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.19 dB'
'TXXX:replaygain_track_peak'                        '0.551711'

========================== row from database ==========================
                                              'id'  1270125
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Good Shoes/Think Before You Speak/13-good_shoes-ice_age.mp3
                                         'working'  None
                                         'bitrate'  161
                                    'duration_sec'  174
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  3525030
                                           'mtime'  1621851309
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 13 good_shoes ice_age ifs songwriter indie unsorted
                                      'tag_artist'  Good Shoes
                                     'tag_release'  Think Before You Speak
                                       'tag_title'  Ice Age
                                             'bpm'  84.987
                                    'search_title'  'age':2 'ice':1
                                   'search_artist'  'good':1 'shoes':2
                                  'search_release'  'before':2 'speak':4 'think':1 'you':3
                                     'search_rest'  '00singer':1 'age':7 'eos':3 'good':4 'ice':6 'ifs':8 'indie':9 'shoes':5 'songwriter':2 'unsorted':10
                                    'search_combo'  '00singer':9 'age':2A,15 'before':6C 'eos':11 'good':3B,12 'ice':1A,14 'ifs':16 'indie':17 'shoes':4B,13 'songwriter':10 'speak':8C 'think':5C 'unsorted':18 'you':7C
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'britpop', 'indie rock', 'british']
                                        'tag_date'  2007
                                     'discogstags'  ['indie rock', 'rock']

============================== file details ==============================
                                           'mtime'  1621851308.6845815  (2021-05-24 12:15:08)
                             'size'  3525030