======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '131'
                                          'artist'  'Judy Lynn'
                                     'text_people'  ''
                                         'release'  'Music for Maniacs'
                                           'title'  'Hello Mr. DJ'
                                           '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-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soft rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '86.3'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Music for Maniacs'
'TBPM' (BPM (beats per minute))                     '86.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2010'
'TFLT' (File type)                                  'audio/mp3'
'TIT2' (Title/songname/content description)         'Hello Mr. DJ'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Judy Lynn'
'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:lastfmtags'                                   'soft rock'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-7.53 dB'
'TXXX:replaygain_track_peak'                        '1.015842'

========================== row from database ==========================
                                              'id'  649469
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/Judy_Lynn_-_Hello_Mr_DJ.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  131
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  5266449
                                           'mtime'  1636916352
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music maniacs Judy_Lynn_ _Hello_Mr_DJ electronic experimental oddness
                                      'tag_artist'  Judy Lynn
                                     'tag_release'  Music for Maniacs
                                       'tag_title'  Hello Mr. DJ
                                             'bpm'  86.3
                                    'search_title'  'dj':4 'hello':1 'mr':2,3
                                   'search_artist'  'judy':1 'lynn':2
                                  'search_release'  'for':2 'maniacs':3 'music':1
                                     'search_rest'  'dj':7 'electronic':8 'experimental':9 'hello':5 'judy':3 'lynn':4 'maniacs':2 'mr':6 'music':1 'oddness':10
                                    'search_combo'  'dj':4A,16 'electronic':17 'experimental':18 'for':8C 'hello':1A,14 'judy':5B,12 'lynn':6B,13 'maniacs':9C,11 'mr':2A,3A,15 'music':7C,10 'oddness':19
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soft rock']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916351.8715801  (2021-11-14 19:59:11)
                             'size'  5266449