======================== unified (from filesystem) ========================
                                         'bitrate'  '125.538'
                                        'duration'  '308'
                                          'artist'  'Look Mum No Computer'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'No Scrubs'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['chiptune', 'electronic', 'discover weekly', 'british', 'synthpop']"
                                     'discogstags'  "['electro', 'electronic', 'pop', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '98.072'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '98.072'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'No Scrubs'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Look Mum No Computer'
'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:discogstags'                                  ['electro', 'electronic', 'pop', 'experimental']
'TXXX:lastfmtags'                                   ['chiptune', 'electronic', 'discover weekly', 'british', 'synthpop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.86 dB'
'TXXX:replaygain_track_peak'                        '0.502908'

========================== row from database ==========================
                                              'id'  1338597
                                            'path'  /data/Music/Bulk/00poprockelectronic/Look Mum No Computer - LMNC/TLC No Scrubs - Live Electronic Cover _ Remix-eTAmQDQbxP8.mp3
                                         'working'  None
                                         'bitrate'  125
                                    'duration_sec'  308
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  4844811
                                           'mtime'  1628353832
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic LMNC TLC Live Electronic Cover _ Remix eTAmQDQbxP8 electronic we electropop or synthpop
                                      'tag_artist'  Look Mum No Computer
                                     'tag_release'  None
                                       'tag_title'  No Scrubs
                                             'bpm'  98.072
                                    'search_title'  'no':1 'scrubs':2
                                   'search_artist'  'computer':4 'look':1 'mum':2 'no':3
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'cover':6 'e':13 'electronic':5 'electropop':10 'etamqdqbxp8':8 'live':4 'lmnc':2 'or':11 'p8':16 'qdqbx':15 'remix':7 'synthpop':12 'tam':14 'tlc':3 'we':9
                                    'search_combo'  '00poprockelectronic':7 'computer':6B 'cover':12 'e':19 'electronic':11 'electropop':16 'etamqdqbxp8':14 'live':10 'lmnc':8 'look':3B 'mum':4B 'no':1A,5B 'or':17 'p8':22 'qdqbx':21 'remix':13 'scrubs':2A 'synthpop':18 'tam':20 'tlc':9 'we':15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['chiptune', 'electronic', 'discover weekly', 'british', 'synthpop']
                                        'tag_date'  2015
                                     'discogstags'  ['electro', 'electronic', 'pop', 'experimental']

============================== file details ==============================
                                           'mtime'  1628353831.7893214  (2021-08-07 18:30:31)
                             'size'  4844811