======================== unified (from filesystem) ========================
                                         'bitrate'  '193.43'
                                        'duration'  '81'
                                          'artist'  'Cars Can Be Blue'
                                     'text_people'  'Cars Can Be Blue'
                                         'release'  'All The Stuff We Do'
                                           'title'  'Theme'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-LOCALNESS-1', '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-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'indie pop', 'lo fi', 'female vocalists', 'twee']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  '20'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-antifolk'
                                             'bpm'  '145.5'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'All The Stuff We Do'
'TBPM' (BPM (beats per minute))                     '145.5'
'TCOM' (Composer)                                   'Cars Can Be Blue'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-antifolk'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Theme'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Cars Can Be Blue'
'TRCK' (Track number/Position in set)               '20/20'
'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'
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'lo fi', 'female vocalists', 'twee']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-1.57 dB'
'TXXX:replaygain_track_peak'                        '0.337548'

========================== row from database ==========================
                                              'id'  1378740
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Cars Can Be Blue - All The Stuff We Do/20 Theme.mp3
                                         'working'  None
                                         'bitrate'  193
                                    'duration_sec'  81
                                           'genre'  ifs-songwriter-antifolk
                                        'filesize'  1976511
                                           'mtime'  1623430140
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 20 ifs songwriter antifolk
                                      'tag_artist'  Cars Can Be Blue
                                     'tag_release'  All The Stuff We Do
                                       'tag_title'  Theme
                                             'bpm'  145.5
                                    'search_title'  'theme':1
                                   'search_artist'  'be':3 'blue':4 'can':2 'cars':1
                                  'search_release'  'all':1 'do':5 'stuff':3 'the':2 'we':4
                                     'search_rest'  '00singer':1 '20':4 'antifolk':6 'eos':3 'ifs':5 'songwriter':2
                                    'search_combo'  '00singer':11 '20':14 'all':6C 'antifolk':16 'be':4B 'blue':5B 'can':3B 'cars':2B 'do':10C 'eos':13 'ifs':15 'songwriter':12 'stuff':8C 'the':7C 'theme':1A 'we':9C
                                    'tag_tracknum'  20
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'lo fi', 'female vocalists', 'twee']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1623430140.0123813  (2021-06-11 18:49:00)
                             'size'  1976511