======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '287'
                                          'artist'  'Williams, Andre & The Countdowns'
                                     'text_people'  ''
                                         'release'  'Music for Maniacs'
                                           'title'  'Let Me Put It In'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-3', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '132.4'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Music for Maniacs'
'TBPM' (BPM (beats per minute))                     '132.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Let Me Put It In'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Williams, Andre & The Countdowns'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.42 dB'
'TXXX:replaygain_track_peak'                        '0.336077'

========================== row from database ==========================
                                              'id'  648693
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/williams__andre___the_countdowns__09__let_me_put_it_in.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  287
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  4609928
                                           'mtime'  1636916516
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music maniacs williams__andre___the_countdowns__09__let_me_put_it_in electronic experimental oddness
                                      'tag_artist'  Williams, Andre & The Countdowns
                                     'tag_release'  Music for Maniacs
                                       'tag_title'  Let Me Put It In
                                             'bpm'  132.4
                                    'search_title'  'in':5 'it':4 'let':1 'me':2 'put':3
                                   'search_artist'  'andre':3 'countdowns':5 'the':4 'williams':1,2
                                  'search_release'  'for':2 'maniacs':3 'music':1
                                     'search_rest'  '09':7 'andre':4 'countdowns':6 'electronic':13 'experimental':14 'in':12 'it':11 'let':8 'maniacs':2 'me':9 'music':1 'oddness':15 'put':10 'the':5 'williams':3
                                    'search_combo'  '09':20 'andre':8B,17 'countdowns':10B,19 'electronic':26 'experimental':27 'for':12C 'in':5A,25 'it':4A,24 'let':1A,21 'maniacs':13C,15 'me':2A,22 'music':11C,14 'oddness':28 'put':3A,23 'the':9B,18 'williams':6B,7B,16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916515.680067  (2021-11-14 20:01:55)
                             'size'  4609928