======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '159'
                                          'artist'  'Gordon Thomas'
                                     'text_people'  ''
                                         'release'  'various fucked up music'
                                           'title'  'Pray For World Peace'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'Q-PIANO-3', 'q-chart-1', 'q-drums-1', 'q-other-3', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['outsider', 'oh no', 'kuunnellaan ja nautitaan', 'jazz', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '116.1'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'various fucked up music'
'TBPM' (BPM (beats per minute))                     '116.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Pray For World Peace'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gordon Thomas'
'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-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['outsider', 'oh no', 'kuunnellaan ja nautitaan', 'jazz', 'pop']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.87 dB'
'TXXX:replaygain_track_peak'                        '0.517814'

========================== row from database ==========================
                                              'id'  1390172
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Herve Villechez - various fucked up music [128k]/Gordon Thomas - Pray For World Peace.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  159
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  2557555
                                           'mtime'  1636915651
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Herve Villechez [128k] electronic experimental oddness
                                      'tag_artist'  Gordon Thomas
                                     'tag_release'  various fucked up music
                                       'tag_title'  Pray For World Peace
                                             'bpm'  116.1
                                    'search_title'  'for':2 'peace':4 'pray':1 'world':3
                                   'search_artist'  'gordon':1 'thomas':2
                                  'search_release'  'fucked':2 'music':4 'up':3 'various':1
                                     'search_rest'  '128k':3,4 'electronic':5 'experimental':6 'herve':1 'oddness':7 'villechez':2
                                    'search_combo'  '128k':13,14 'electronic':15 'experimental':16 'for':2A 'fucked':8C 'gordon':5B 'herve':11 'music':10C 'oddness':17 'peace':4A 'pray':1A 'thomas':6B 'up':9C 'various':7C 'villechez':12 'world':3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['outsider', 'oh no', 'kuunnellaan ja nautitaan', 'jazz', 'pop']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636915651.090661  (2021-11-14 19:47:31)
                             'size'  2557555