======================== unified (from filesystem) ========================
                                         'bitrate'  '235.939'
                                        'duration'  '167'
                                          'artist'  'Panthers'
                                     'text_people'  ''
                                         'release'  '375turk'
                                           'title'  'Malkaus'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['punk revival', 'indie rock', 'indie', 'punk', 'post hardcore', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'loc-m-turkey'
                                             'bpm'  '111.886'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '375turk'
'TBPM' (BPM (beats per minute))                     '111.886'
'TCON' (Content type, a.k.a. Genre)                 'loc-m-turkey'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Malkaus'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Panthers'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['punk revival', 'indie rock', 'indie', 'punk', 'post hardcore', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.96 dB'
'TXXX:replaygain_track_peak'                        '0.436051'

========================== row from database ==========================
                                              'id'  922851
                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/375turk/Panthers -- Malkaus.mp3
                                         'working'  None
                                         'bitrate'  236
                                    'duration_sec'  167
                                           'genre'  loc-m-turkey
                                        'filesize'  4935990
                                           'mtime'  1620526380
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east loc m turkey
                                      'tag_artist'  Panthers
                                     'tag_release'  375turk
                                       'tag_title'  Malkaus
                                             'bpm'  111.886
                                    'search_title'  'malkaus':1
                                   'search_artist'  'panthers':1
                                  'search_release'  '375turk':1
                                     'search_rest'  '00south':1 'east':4 'europe':2 'loc':5 'm':6 'middle':3 'turkey':7
                                    'search_combo'  '00south':4 '375turk':3C 'east':7 'europe':5 'loc':8 'm':9 'malkaus':1A 'middle':6 'panthers':2B 'turkey':10
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['punk revival', 'indie rock', 'indie', 'punk', 'post hardcore', 'rock']
                                        'tag_date'  1970
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620526379.8639572  (2021-05-09 04:12:59)
                             'size'  4935990