======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '299'
                                          'artist'  'Orgy'
                                     'text_people'  ''
                                         'release'  'Candyass'
                                           'title'  'Blue monday'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', 'industrial', 'metal', 'alternative', 'industrial rock']"
                                     'discogstags'  "['rock', 'alternative rock', 'industrial', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '129.896'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Candyass'
'TBPM' (BPM (beats per minute))                     '129.896'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Blue monday'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Orgy'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'alternative rock', 'industrial', 'synth-pop']
'TXXX:lastfmtags'                                   ['rock', 'industrial', 'metal', 'alternative', 'industrial rock']
'TXXX:original release date'                        ['1998', '1998']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.29 dB'
'TXXX:replaygain_track_peak'                        '0.460355'

========================== row from database ==========================
                                              'id'  1289439
                                            'path'  /data/Music/Bulk/00poprockelectronic/Orgy/Orgy__Orgy - Candyass__cifs5dcf.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  299
                                           'genre'  eid-metal
                                        'filesize'  8408011
                                           'mtime'  1620301778
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Orgy__Orgy Candyass__cifs5dcf eid metal
                                      'tag_artist'  Orgy
                                     'tag_release'  Candyass
                                       'tag_title'  Blue monday
                                             'bpm'  129.896
                                    'search_title'  'blue':1 'monday':2
                                   'search_artist'  'orgy':1
                                  'search_release'  'candyass':1
                                     'search_rest'  '00poprockelectronic':1 'candyass':4 'cifs5dcf':5 'eid':6 'metal':7 'orgy':2,3
                                    'search_combo'  '00poprockelectronic':5 'blue':1A 'candyass':4C,8 'cifs5dcf':9 'eid':10 'metal':11 'monday':2A 'orgy':3B,6,7
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'industrial', 'metal', 'alternative', 'industrial rock']
                                        'tag_date'  1998
                                     'discogstags'  ['rock', 'alternative rock', 'industrial', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1620301778.064295  (2021-05-06 13:49:38)
                             'size'  8408011