======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '56'
                                          'artist'  'Guided By Voices'
                                     'text_people'  ''
                                         'release'  'Alien Lanes'
                                           'title'  'Big Chief Chinese Restaurant'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', '90s', 'alternative', 'lo fi', 'indie rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '133.668'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:\t\x17\x00\x00'                  PRIV(owner='AverageLevel', data=b'\t\x17\x00\x00')
'PRIV:PeakValue:Tb\x00\x00'                         PRIV(owner='PeakValue', data=b'Tb\x00\x00')
'TALB' (Album/Movie/Show title)                     'Alien Lanes'
'TBPM' (BPM (beats per minute))                     '133.668'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Big Chief Chinese Restaurant'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Guided By Voices'
'TPE2' (Band/orchestra/accompaniment)               'Guided By Voices'
'TRCK' (Track number/Position in set)               '12'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', '90s', 'alternative', 'lo fi', 'indie rock']
'TXXX:original release date'                        ['1995', '1995']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.08 dB'
'TXXX:replaygain_track_peak'                        '0.384103'

========================== row from database ==========================
                                              'id'  1375161
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Guided by Voices/Alien Lanes/guided by voices - alien lanes - (12) - big chief chinese restaurant.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  56
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  1816301
                                           'mtime'  1621697255
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock by guided by voices alien lanes (12) big chief chinese restaurant ifs songwriter indie rock
                                      'tag_artist'  Guided By Voices
                                     'tag_release'  Alien Lanes
                                       'tag_title'  Big Chief Chinese Restaurant
                                             'bpm'  133.668
                                    'search_title'  'big':1 'chief':2 'chinese':3 'restaurant':4
                                   'search_artist'  'by':2 'guided':1 'voices':3
                                  'search_release'  'alien':1 'lanes':2
                                     'search_rest'  '00poprockelectronic':1 '12':9,10 'alien':7 'big':11 'by':4 'chief':12 'chinese':13 'guided':5 'ifs':15 'indie':17 'indierock':3 'lanes':8 'poprock':2 'restaurant':14 'rock':18 'songwriter':16 'voices':6
                                    'search_combo'  '00poprockelectronic':10 '12':18,19 'alien':8C,16 'big':1A,20 'by':6B,13 'chief':2A,21 'chinese':3A,22 'guided':5B,14 'ifs':24 'indie':26 'indierock':12 'lanes':9C,17 'poprock':11 'restaurant':4A,23 'rock':27 'songwriter':25 'voices':7B,15
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', '90s', 'alternative', 'lo fi', 'indie rock']
                                        'tag_date'  1995
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621697254.990367  (2021-05-22 17:27:34)
                             'size'  1816301