======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '202'
                                          'artist'  'Blonde Redhead'
                                     'text_people'  ''
                                         'release'  'Blonde Redhead'
                                           'title'  'Mama Cita'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'female vocalists', 'indie rock', 'rock']"
                                     'discogstags'  "['rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '107.778'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Blonde Redhead'
'TBPM' (BPM (beats per minute))                     '107.778'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Mama Cita'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Blonde Redhead'
'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:discogstags'                                  ['rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'female vocalists', 'indie rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.46 dB'
'TXXX:replaygain_track_peak'                        '0.831193'

========================== row from database ==========================
                                              'id'  1363108
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Blonde Redhead/Blonde Redhead - Blonde Redhead - 06 - Mama Cita.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  202
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  4860329
                                           'mtime'  1637330292
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 06 ifs songwriter indie rock
                                      'tag_artist'  Blonde Redhead
                                     'tag_release'  Blonde Redhead
                                       'tag_title'  Mama Cita
                                             'bpm'  107.778
                                    'search_title'  'cita':2 'mama':1
                                   'search_artist'  'blonde':1 'redhead':2
                                  'search_release'  'blonde':1 'redhead':2
                                     'search_rest'  '00poprockelectronic':1 'ifs':4 'indie':6 'indierock':3 'poprock':2 'rock':7 'songwriter':5
                                    'search_combo'  '00poprockelectronic':7 'blonde':3B,5C 'cita':2A 'ifs':10 'indie':12 'indierock':9 'mama':1A 'poprock':8 'redhead':4B,6C 'rock':13 'songwriter':11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['indie', 'alternative', 'female vocalists', 'indie rock', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  ['rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1637330291.720568  (2021-11-19 14:58:11)
                             'size'  4860329