======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '278'
                                          'artist'  'Elbow'
                                     'text_people'  ''
                                         'release'  'Noisebox Ep'
                                           'title'  'Powder Blue'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-chart-4', 'q-drums-2', 'q-other-3', 'q-vocals-3', 'q-mixbeat-1', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['indie', 'alternative', 'britpop', 'indie rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '128.7'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Noisebox Ep'
'TBPM' (BPM (beats per minute))                     '128.7'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Powder Blue'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Elbow'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'britpop', 'indie rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.21 dB'
'TXXX:replaygain_track_peak'                        '0.669679'

========================== row from database ==========================
                                              'id'  1315691
                                            'path'  /data/Music/Bulk/00poprockelectronic/Elbow/Noisebox Ep (1998)/01. Powder Blue.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  278
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  4551811
                                           'mtime'  1621697338
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic (1998) 01. ifs songwriter indie rock
                                      'tag_artist'  Elbow
                                     'tag_release'  Noisebox Ep
                                       'tag_title'  Powder Blue
                                             'bpm'  128.7
                                    'search_title'  'blue':2 'powder':1
                                   'search_artist'  'elbow':1
                                  'search_release'  'ep':2 'noisebox':1
                                     'search_rest'  '00poprockelectronic':1 '01':4,5 '1998':2,3 'ifs':6 'indie':8 'rock':9 'songwriter':7
                                    'search_combo'  '00poprockelectronic':6 '01':9,10 '1998':7,8 'blue':2A 'elbow':3B 'ep':5C 'ifs':11 'indie':13 'noisebox':4C 'powder':1A 'rock':14 'songwriter':12
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'britpop', 'indie rock', 'rock']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697337.6795397  (2021-05-22 17:28:57)
                             'size'  4551811