======================== unified (from filesystem) ========================
                                         'bitrate'  '200.128'
                                        'duration'  '121'
                                          'artist'  'Blur'
                                     'text_people'  ''
                                         'release'  'Midlife A Beginners Guide To Blur CD1'
                                           'title'  'Blur - Song 2'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'alternative', 'britpop', 'british', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;ifs-songwriter-indie-rock'
                                             'bpm'  '130.819'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Midlife A Beginners Guide To Blur CD1'
'TBPM' (BPM (beats per minute))                     '130.819'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'ifs-songwriter-indie-rock']
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Blur - Song 2'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Blur'
'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:lastfmtags'                                   ['indie', 'alternative', 'britpop', 'british', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.78 dB'
'TXXX:replaygain_track_peak'                        '0.377069'

========================== row from database ==========================
                                              'id'  1359013
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/Song 2.mp3
                                         'working'  None
                                         'bitrate'  200
                                    'duration_sec'  121
                                           'genre'  electronic-generic or radio-unsorted;ifs-songwriter-indie-rock
                                        'filesize'  3053577
                                           'mtime'  1642256355
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s electronic generic or radio unsorted;ifs songwriter indie rock
                                      'tag_artist'  Blur
                                     'tag_release'  Midlife A Beginners Guide To Blur CD1
                                       'tag_title'  Blur - Song 2
                                             'bpm'  130.819
                                    'search_title'  '2':3 'blur':1 'song':2
                                   'search_artist'  'blur':1
                                  'search_release'  'a':2 'beginners':3 'blur':6 'cd1':7 'guide':4 'midlife':1 'to':5
                                     'search_rest'  '00poprockelectronic':1 '90s':2 'electronic':3 'generic':4 'ifs':8,10 'indie':12 'or':5 'radio':6 'rock':13 'songwriter':11 'unsorted':7,9
                                    'search_combo'  '00poprockelectronic':12 '2':3A '90s':13 'a':6C 'beginners':7C 'blur':1A,4B,10C 'cd1':11C 'electronic':14 'generic':15 'guide':8C 'ifs':19,21 'indie':23 'midlife':5C 'or':16 'radio':17 'rock':24 'song':2A 'songwriter':22 'to':9C 'unsorted':18,20
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HAP-2', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['indie', 'alternative', 'britpop', 'british', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642256355.2066045  (2022-01-15 15:19:15)
                             'size'  3053577