======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '209'
                                          'artist'  'Daphne Oram'
                                     'text_people'  'Daphne Oram'
                                         'release'  'The Oram Tapes Volume One'
                                           'title'  'Hydrogen Tones'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['bbc radiophonic workshop', 'electronic', 'early electronic', "
 "'experimental', 'sound collage']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '19'
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early'
                                             'bpm'  '128.8'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Oram Tapes Volume One'
'TBPM' (BPM (beats per minute))                     '128.8'
'TCOM' (Composer)                                   'Daphne Oram'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-early'
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'Hydrogen Tones'
'TKEY' (Initial key)                                '3A'
'TLEN' (Length)                                     '97391548'
'TPE1' (Lead performer(s)/Soloist(s))               'Daphne Oram'
'TPOS' (Part of a set)                              '1/2'
'TRCK' (Track number/Position in set)               '7/19'
'TXXX:DISCTOTAL'                                    '2'
'TXXX:ENCODER'                                      'X Lossless Decoder 20120226'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:TRACKTOTAL'                                   '19'
'TXXX:discogstags'                                  'electronic'
'TXXX:iTunes_CDDB_1'                                '100FDF13+304902+19+150+13650+22637+37324+40405+43384+101636+117368+130303+154500+157609+184855+190295+191337+218122+238779+265253+267287+297485'
'TXXX:lastfmtags'                                   ['bbc radiophonic workshop',
 'electronic',
 'early electronic',
 'experimental',
 'sound collage']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.97 dB'
'TXXX:replaygain_track_peak'                        '0.482154'

========================== row from database ==========================
                                              'id'  719392
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/daphne oram - the oram tapes volume one (young americans, 2011)/1-07 hydrogen tones.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  209
                                           'genre'  electronic-experimental-early
                                        'filesize'  8396178
                                           'mtime'  1636403732
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm daphne oram the oram tapes volume (young americans, 2011) 1 07 hydrogen tones electronic experimental early
                                      'tag_artist'  Daphne Oram
                                     'tag_release'  The Oram Tapes Volume One
                                       'tag_title'  Hydrogen Tones
                                             'bpm'  128.8
                                    'search_title'  'hydrogen':1 'tones':2
                                   'search_artist'  'daphne':1 'oram':2
                                  'search_release'  'one':5 'oram':2 'tapes':3 'the':1 'volume':4
                                     'search_rest'  '1':12 '2011':10,11 'americans':8,9 'daphne':1 'early':17 'electronic':15 'experimental':16 'hydrogen':13 'oram':2 'tapes':4 'the':3 'tones':14 'volume':5 'young':6,7
                                    'search_combo'  '1':21 '2011':19,20 'americans':17,18 'daphne':3B,10 'early':26 'electronic':24 'experimental':25 'hydrogen':1A,22 'one':9C 'oram':4B,6C,11 'tapes':7C,13 'the':5C,12 'tones':2A,23 'volume':8C,14 'young':15,16
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['bbc radiophonic workshop', 'electronic', 'early electronic', 'experimental', 'sound collage']
                                        'tag_date'  1960
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636403732.1019585  (2021-11-08 21:35:32)
                             'size'  8396178