======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '36'
                                          'artist'  'Frank Zappa'
                                     'text_people'  ''
                                         'release'  'Burnt Weeny Sandwich'
                                           'title'  "Igor's Boogie Phase 1"
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-OLDST-2', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']"
                                     'discogstags'  "['fusion', 'avantgarde', 'prog rock', 'jazz', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-experimental'
                                             'bpm'  '84.105'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Burnt Weeny Sandwich'
'TBPM' (BPM (beats per minute))                     '84.105'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-experimental'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         "Igor's Boogie Phase 1"
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Frank Zappa'
'TRCK' (Track number/Position in set)               '2'
'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:discogstags'                                  ['fusion', 'avantgarde', 'prog rock', 'jazz', 'rock']
'TXXX:lastfmtags'                                   ['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.04 dB'
'TXXX:replaygain_track_peak'                        '0.701868'

========================== row from database ==========================
                                              'id'  1496795
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Frank Zappa/1970 - Burnt Weeny Sandwich/02 - Igor_s Boogie Phase 1.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  36
                                           'genre'  ifs-songwriter-experimental
                                        'filesize'  871861
                                           'mtime'  1636400800
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 1970 02 Igor_s ifs songwriter experimental
                                      'tag_artist'  Frank Zappa
                                     'tag_release'  Burnt Weeny Sandwich
                                       'tag_title'  Igor's Boogie Phase 1
                                             'bpm'  84.105
                                    'search_title'  '1':6 'boogie':4 'igor':1 'igors':3 'phase':5 's':2
                                   'search_artist'  'frank':1 'zappa':2
                                  'search_release'  'burnt':1 'sandwich':3 'weeny':2
                                     'search_rest'  '00singer':1 '1970':4 'eos':3 'experimental':8 'ifs':7 'igor':5 's':6 'songwriter':2
                                    'search_combo'  '00singer':12 '1':6A '1970':15 'boogie':4A 'burnt':9C 'eos':14 'experimental':19 'frank':7B 'ifs':18 'igor':1A,16 'igors':3A 'phase':5A 's':2A,17 'sandwich':11C 'songwriter':13 'weeny':10C 'zappa':8B
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']
                                        'tag_date'  1970
                                     'discogstags'  ['fusion', 'avantgarde', 'prog rock', 'jazz', 'rock']

============================== file details ==============================
                                           'mtime'  1636400799.7349122  (2021-11-08 20:46:39)
                             'size'  871861