======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '230'
                                          'artist'  'Little River Band'
                                     'text_people'  ''
                                         'release'  '20th Century Hits for a New Mi'
                                           'title'  'Home on Monday'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['soft rock', '70s', 'rock', 'australian', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1977'
                                        'comments'  ''
                                           'genre'  'rock-pop-soft'
                                             'bpm'  '127.364'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Buzzed'
'TALB' (Album/Movie/Show title)                     '20th Century Hits for a New Mi'
'TBPM' (BPM (beats per minute))                     '127.364'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-soft'
'TDRC' (Recording time)                             '1977'
'TIT2' (Title/songname/content description)         'Home on Monday'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Little River Band'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soft rock', '70s', 'rock', 'australian', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.35 dB'
'TXXX:replaygain_track_peak'                        '0.776847'

========================== row from database ==========================
                                              'id'  1291648
                                            'path'  /data/Music/Bulk/00poprockelectronic/Little River Band/Little River Band__cifs4e7c.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  230
                                           'genre'  rock-pop-soft
                                        'filesize'  3685799
                                           'mtime'  1620736478
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Band__cifs4e7c rock pop soft
                                      'tag_artist'  Little River Band
                                     'tag_release'  20th Century Hits for a New Mi
                                       'tag_title'  Home on Monday
                                             'bpm'  127.364
                                    'search_title'  'home':1 'monday':3 'on':2
                                   'search_artist'  'band':3 'little':1 'river':2
                                  'search_release'  '20th':1 'a':5 'century':2 'for':4 'hits':3 'mi':7 'new':6
                                     'search_rest'  '00poprockelectronic':1 'band':2 'cifs4e7c':3 'pop':5 'rock':4 'soft':6
                                    'search_combo'  '00poprockelectronic':14 '20th':7C 'a':11C 'band':6B,15 'century':8C 'cifs4e7c':16 'for':10C 'hits':9C 'home':1A 'little':4B 'mi':13C 'monday':3A 'new':12C 'on':2A 'pop':18 'river':5B 'rock':17 'soft':19
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['soft rock', '70s', 'rock', 'australian', 'classic rock']
                                        'tag_date'  1977
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736478.2561288  (2021-05-11 14:34:38)
                             'size'  3685799