======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '163'
                                          'artist'  'The Three Suns'
                                     'text_people'  'Lincoln Chase'
                                         'release'  'Music for Maniacs'
                                           'title'  'Wailing Guitar'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'space age pop', 'exotica', 'illstreet', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '117.2'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Music for Maniacs'
'TBPM' (BPM (beats per minute))                     '117.2'
'TCOM' (Composer)                                   'Lincoln Chase'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '1994'
'TENC' (Encoded by)                                 'iTunes v7.0.2'
'TIT2' (Title/songname/content description)         'Wailing Guitar'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Three Suns'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Circle'
'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:lastfmtags'                                   ['lounge', 'space age pop', 'exotica', 'illstreet', 'easy listening']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.45 dB'
'TXXX:replaygain_track_peak'                        '0.440940'

========================== row from database ==========================
                                              'id'  648952
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/Three Suns - wailin guitar.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  163
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  4054506
                                           'mtime'  1636916447
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music maniacs wailin guitar electronic experimental oddness
                                      'tag_artist'  The Three Suns
                                     'tag_release'  Music for Maniacs
                                       'tag_title'  Wailing Guitar
                                             'bpm'  117.2
                                    'search_title'  'guitar':2 'wailing':1
                                   'search_artist'  'suns':3 'the':1 'three':2
                                  'search_release'  'for':2 'maniacs':3 'music':1
                                     'search_rest'  'electronic':5 'experimental':6 'guitar':4 'maniacs':2 'music':1 'oddness':7 'wailin':3
                                    'search_combo'  'electronic':13 'experimental':14 'for':7C 'guitar':2A,12 'maniacs':8C,10 'music':6C,9 'oddness':15 'suns':5B 'the':3B 'three':4B 'wailin':11 'wailing':1A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'space age pop', 'exotica', 'illstreet', 'easy listening']
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916447.461086  (2021-11-14 20:00:47)
                             'size'  4054506