======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '249'
                                          'artist'  'Addison Groove'
                                     'text_people'  ''
                                         'release'  'Swamp005'
                                           'title'  'Footcrab'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-2', 'q-drums-3', 'q-other-1', "
 "'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-3', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['juke', 'dubstep', 'electronic', 'house', 'footwork']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '139.274'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Swamp005'
'TBPM' (BPM (beats per minute))                     '139.274'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Footcrab'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Addison Groove'
'TPE2' (Band/orchestra/accompaniment)               'Addison Groove'
'TPUB' (Publisher)                                  'Swamp 81'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['juke', 'dubstep', 'electronic', 'house', 'footwork']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.04 dB'
'TXXX:replaygain_track_peak'                        '0.995623'

========================== row from database ==========================
                                              'id'  769729
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Addison Groove - FOOTCRAB.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  249
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  10022934
                                           'mtime'  1620586679
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism FOOTCRAB hip hop or rnb or rap or turntablism
                                      'tag_artist'  Addison Groove
                                     'tag_release'  Swamp005
                                       'tag_title'  Footcrab
                                             'bpm'  139.274
                                    'search_title'  'footcrab':1
                                   'search_artist'  'addison':1 'groove':2
                                  'search_release'  'swamp005':1
                                     'search_rest'  'footcrab':5 'hip':6 'hiphop':1 'hop':7 'or':8 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  'addison':2B 'footcrab':1A,9 'groove':3B 'hip':10 'hiphop':5 'hop':11 'or':12 'rap':6 'rnb':7 'swamp005':4C 'turntablism':8
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-3', '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-3', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['juke', 'dubstep', 'electronic', 'house', 'footwork']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620586679.144398  (2021-05-09 20:57:59)
                             'size'  10022934