======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '240'
                                          'artist'  'Eels'
                                     'text_people'  ''
                                         'release'  'Revolution In The Head'
                                           'title'  'Damn I Wish I Was Your Lover'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
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                                      'lastfmtags'  "['indie', 'alternative', 'singer songwriter', 'indie rock', 'rock']"
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                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
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                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '114.028'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Revolution In The Head'
'TBPM' (BPM (beats per minute))                     '114.028'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TIT2' (Title/songname/content description)         'Damn I Wish I Was Your Lover'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '240000'
'TPE1' (Lead performer(s)/Soloist(s))               'Eels'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3'
'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'                                   ['indie', 'alternative', 'singer songwriter', 'indie rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.24 dB'
'TXXX:replaygain_track_peak'                        '0.429397'

========================== row from database ==========================
                                              'id'  1295486
                                            'path'  /data/Music/Bulk/00poprockelectronic/Revolution In The Head/03 Damn I Wish I Was Your Lover.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  240
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  3854336
                                           'mtime'  1621697376
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 03 ifs songwriter indie rock
                                      'tag_artist'  Eels
                                     'tag_release'  Revolution In The Head
                                       'tag_title'  Damn I Wish I Was Your Lover
                                             'bpm'  114.028
                                    'search_title'  'damn':1 'i':2 'lover':6 'was':4 'wish':3 'your':5
                                   'search_artist'  'eels':1
                                  'search_release'  'head':4 'in':2 'revolution':1 'the':3
                                     'search_rest'  '00poprockelectronic':1 'ifs':2 'indie':4 'rock':5 'songwriter':3
                                    'search_combo'  '00poprockelectronic':12 'damn':1A 'eels':7B 'head':11C 'i':2A 'ifs':13 'in':9C 'indie':15 'lover':6A 'revolution':8C 'rock':16 'songwriter':14 'the':10C 'was':4A 'wish':3A 'your':5A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'singer songwriter', 'indie rock', 'rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697376.1307  (2021-05-22 17:29:36)
                             'size'  3854336