======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '60'
                                          'artist'  'David Liebe Hart and Adam Papagan'
                                     'text_people'  'Liebe Hart/Papagan'
                                         'release'  'Music for Maniacs'
                                           'title'  'Artist and Creator'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-1', 'q-drums-1', 'q-other-4', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  ("['better than radiohead', 'outsider', 'twee as fuck', 'experimental pop', "
 "'under 2000 listeners']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '126.0'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunes_CDDB_1:eng'                            'E60D5D10+256754+16+150+4698+15668+25307+36886+52765+71828+95968+111439+115866+130871+149014+154794+164579+179381+197217'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '1'
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'TALB' (Album/Movie/Show title)                     'Music for Maniacs'
'TBPM' (BPM (beats per minute))                     '126.0'
'TCOM' (Composer)                                   'Liebe Hart/Papagan'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 'iTunes v7.6.2'
'TIT2' (Title/songname/content description)         'Artist and Creator'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'David Liebe Hart and Adam Papagan'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'David Liebe Hart and Adam Papagan'
'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'                                   ['better than radiohead',
 'outsider',
 'twee as fuck',
 'experimental pop',
 'under 2000 listeners']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.28 dB'
'TXXX:replaygain_track_peak'                        '0.303739'

========================== row from database ==========================
                                              'id'  648757
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/01_Artist_and_Creator.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  60
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  2577937
                                           'mtime'  1636916196
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music maniacs 01_Artist_and_Creator electronic experimental oddness
                                      'tag_artist'  David Liebe Hart and Adam Papagan
                                     'tag_release'  Music for Maniacs
                                       'tag_title'  Artist and Creator
                                             'bpm'  126.0
                                    'search_title'  'and':2 'artist':1 'creator':3
                                   'search_artist'  'adam':5 'and':4 'david':1 'hart':3 'liebe':2 'papagan':6
                                  'search_release'  'for':2 'maniacs':3 'music':1
                                     'search_rest'  '01':3 'and':5 'artist':4 'creator':6 'electronic':7 'experimental':8 'maniacs':2 'music':1 'oddness':9
                                    'search_combo'  '01':15 'adam':8B 'and':2A,7B,17 'artist':1A,16 'creator':3A,18 'david':4B 'electronic':19 'experimental':20 'for':11C 'hart':6B 'liebe':5B 'maniacs':12C,14 'music':10C,13 'oddness':21 'papagan':9B
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', '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-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['better than radiohead', 'outsider', 'twee as fuck', 'experimental pop', 'under 2000 listeners']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916196.0877883  (2021-11-14 19:56:36)
                             'size'  2577937