======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '1377'
                                          'artist'  'Shirley & Spinoza'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'MilanKymlicka KrtekARaketa TheMoleAndTheRocket pt 0047'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['eclectic', 'collage music', 'tape music', 'avant garde', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza'
                                             'bpm'  '101.973'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '101.973'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-shirleyspinoza'
'TIT2' (Title/songname/content description)         'MilanKymlicka KrtekARaketa TheMoleAndTheRocket pt 0047'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Shirley & Spinoza'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '147,196'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:Sortunder'                                    'm'
'TXXX:lastfmtags'                                   ['eclectic', 'collage music', 'tape music', 'avant garde', 'oldies']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.97 dB'
'TXXX:replaygain_track_peak'                        '0.541501'

========================== row from database ==========================
                                              'id'  910831
                                            'path'  /data/Music/Bulk/sns/MilanKymlicka_KrtekARaketa_TheMoleAndTheRocket_pt_0047.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  1377
                                           'genre'  set-pl-shirleyspinoza
                                        'filesize'  22038808
                                           'mtime'  1621044185
                                   'redo_metaread'  0
                                        'rest_str'   sns MilanKymlicka_KrtekARaketa_TheMoleAndTheRocket_pt_0047 set pl shirleyspinoza
                                      'tag_artist'  Shirley & Spinoza
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  MilanKymlicka KrtekARaketa TheMoleAndTheRocket pt 0047
                                             'bpm'  101.973
                                    'search_title'  'and':11 'araketa':8 'krtek':7 'krtekaraketa':2 'kymlicka':6 'milan':5 'milankymlicka':1 'mole':10 'pt':4 'rocket':12 'the':9 'themoleandtherocket':3
                                   'search_artist'  'shirley':1 'spinoza':2
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  '0047':6,20 'and':16 'araketa':13 'krtek':12 'krtekaraketa':3 'kymlicka':11 'milan':10 'milankymlicka':2 'mole':15 'pl':8 'pt':5,19 'rocket':18 'set':7 'shirleyspinoza':9 'sns':1 'the':14,17 'themoleandtherocket':4
                                    'search_combo'  '0047':22,36 'and':11A,32 'araketa':8A,29 'krtek':7A,28 'krtekaraketa':2A,19 'kymlicka':6A,27 'milan':5A,26 'milankymlicka':1A,18 'mole':10A,31 'pl':24 'pt':4A,21,35 'rocket':12A,34 'set':23 'shirley':13B,15C 'shirleyspinoza':25 'sns':17 'spinoza':14B,16C 'the':9A,30,33 'themoleandtherocket':3A,20
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['eclectic', 'collage music', 'tape music', 'avant garde', 'oldies']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621044184.5374694  (2021-05-15 04:03:04)
                             'size'  22038808