======================== unified (from filesystem) ========================
                                         'bitrate'  '223.282'
                                        'duration'  '229'
                                          'artist'  'C. Larson & M.Landy'
                                     'text_people'  ''
                                         'release'  'Electronic toys'
                                           'title'  'Highway E1'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '98.4'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Electronic toys'
'TBPM' (BPM (beats per minute))                     '98.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Highway E1'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'C. Larson & M.Landy'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '06'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.01 dB'
'TXXX:replaygain_track_peak'                        '0.794209'

========================== row from database ==========================
                                              'id'  1525176
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/v.a. -electronic toys [a retrospective of 70_s synthesizer music]  1996/06 - c. larson & m.landy - highway e1.mp3
                                         'working'  None
                                         'bitrate'  223
                                    'duration_sec'  229
                                           'genre'  electronic-experimental
                                        'filesize'  6391680
                                           'mtime'  1636917408
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm v.a. electronic [a retrospective of 70_s synthesizer music] 1996 06 c. larson m.landy highway e1 electronic experimental
                                      'tag_artist'  C. Larson & M.Landy
                                     'tag_release'  Electronic toys
                                       'tag_title'  Highway E1
                                             'bpm'  98.4
                                    'search_title'  'e1':2 'highway':1
                                   'search_artist'  'c':1,2 'landy':5 'larson':3 'm':4 'mlandy':6
                                  'search_release'  'electronic':1 'toys':2
                                     'search_rest'  '1996':14 '70':9 'a':2,5,6 'c':15,16 'e1':22 'electronic':4 'experimental':23 'highway':21 'landy':19 'larson':17 'm':18 'mlandy':20 'music':12,13 'of':8 'retrospective':7 's':10 'synthesizer':11 'v':1 'va':3
                                    'search_combo'  '1996':24 '70':19 'a':12,15,16 'c':3B,4B,25,26 'e1':2A,32 'electronic':9C,14 'experimental':33 'highway':1A,31 'landy':7B,29 'larson':5B,27 'm':6B,28 'mlandy':8B,30 'music':22,23 'of':18 'retrospective':17 's':20 'synthesizer':21 'toys':10C 'v':11 'va':13
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636917407.7318344  (2021-11-14 20:16:47)
                             'size'  6391680