======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '254'
                                          'artist'  'ZZ Top'
                                     'text_people'  ''
                                         'release'  'top100'
                                           'title'  'Sharp dressed man'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['blues rock', 'southern rock', 'rock', 'hard rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '125.083'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'top100'
'TBPM' (BPM (beats per minute))                     '125.083'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TIT2' (Title/songname/content description)         'Sharp dressed man'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'ZZ Top'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '077,186'
'TXXX:Mp3gain_undo'                                 '+004,+004,N'
'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:Tracknum'                                     '095'
'TXXX:lastfmtags'                                   ['blues rock', 'southern rock', 'rock', 'hard rock', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.25 dB'
'TXXX:replaygain_track_peak'                        '0.578380'

========================== row from database ==========================
                                              'id'  1402778
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/top100/095-ZZ_Top-Sharp_dressed_man.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  254
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  4077163
                                           'mtime'  1621854169
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 095 ZZ_Top Sharp_dressed_man electronic generic or radio dance
                                      'tag_artist'  ZZ Top
                                     'tag_release'  top100
                                       'tag_title'  Sharp dressed man
                                             'bpm'  125.083
                                    'search_title'  'dressed':2 'man':3 'sharp':1
                                   'search_artist'  'top':2 'zz':1
                                  'search_release'  'top100':1
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'dressed':8 'electronic':10 'generic':2 'man':9 'or':11 'radio':12 'sharp':7 'top':6 'trapbeat':4 'zz':5
                                    'search_combo'  '00poprockelectronic':7 'dance':9 'dressed':2A,14 'electronic':16 'generic':8 'man':3A,15 'or':17 'radio':18 'sharp':1A,13 'top':5B,12 'top100':6C 'trapbeat':10 'zz':4B,11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['blues rock', 'southern rock', 'rock', 'hard rock', 'classic rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621854168.7176185  (2021-05-24 13:02:48)
                             'size'  4077163