======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '249'
                                          'artist'  "Sinéad O'Connor"
                                     'text_people'  ''
                                         'release'  'The Black Album - Volume 1'
                                           'title'  'Haunted (with Shane MacGowan)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['90s', 'irish', 'female vocalists', 'alternative', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '108.124'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Black Album - Volume 1'
'TBPM' (BPM (beats per minute))                     '108.124'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Haunted (with Shane MacGowan)'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               "Sinéad O'Connor"
'TRCK' (Track number/Position in set)               '4'
'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'                                   ['90s', 'irish', 'female vocalists', 'alternative', 'pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.60 dB'
'TXXX:replaygain_track_peak'                        '0.547381'

========================== row from database ==========================
                                              'id'  1526669
                                            'path'  /data/Music/Bulk/00poprockelectronic/Sinéad O_Connor/MBZ;#Sinead O_Connor;#The Black Album - Volume 1;#04;#Haunted (with Shane MacGowan).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  249
                                           'genre'  ifs-songwriter
                                        'filesize'  3998847
                                           'mtime'  1637330757
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic O_Connor MBZ;#Sinead O_Connor;#The 1;#04;#Haunted ifs songwriter
                                      'tag_artist'  Sinéad O'Connor
                                     'tag_release'  The Black Album - Volume 1
                                       'tag_title'  Haunted (with Shane MacGowan)
                                             'bpm'  108.124
                                    'search_title'  'gowan':8,9 'haunted':1 'mac':7 'macgowan':5,6 'shane':4 'with':2,3
                                   'search_artist'  'connor':4 'o':3 'oconnor':5 'sinead':1,2
                                  'search_release'  '1':5 'album':3 'black':2 'the':1 'volume':4
                                     'search_rest'  '00poprockelectronic':1 '04':15,18 '1':14,17 'connor':3,9,12 'haunted':16,19 'ifs':20 'mbz':4,6 'o':2,8,11 'sinead':5,7 'songwriter':21 'the':10,13
                                    'search_combo'  '00poprockelectronic':20 '04':34,37 '1':19C,33,36 'album':17C 'black':16C 'connor':13B,22,28,31 'gowan':8A,9A 'haunted':1A,35,38 'ifs':39 'mac':7A 'macgowan':5A,6A 'mbz':23,25 'o':12B,21,27,30 'oconnor':14B 'shane':4A 'sinead':10B,11B,24,26 'songwriter':40 'the':15C,29,32 'volume':18C 'with':2A,3A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['90s', 'irish', 'female vocalists', 'alternative', 'pop']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330756.9065294  (2021-11-19 15:05:56)
                             'size'  3998847