======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '358'
                                          'artist'  'The Verve'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Bittersweet Symphony'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', '90s', 'alternative', 'britpop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;ifs-songwriter-indie-rock;rock-pop-indie'
                                             'bpm'  '85.525'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '85.525'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted',
 'ifs-songwriter-indie-rock',
 'rock-pop-indie']
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Bittersweet Symphony'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Verve'
'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', '90s', 'alternative', 'britpop', 'rock']
'TXXX:other'                                        '027'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.71 dB'
'TXXX:replaygain_track_peak'                        '0.450929'

========================== row from database ==========================
                                              'id'  1296658
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/027 - The Verve - Bittersweet Symphony (1997).mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  358
                                           'genre'  electronic-generic or radio-unsorted;ifs-songwriter-indie-rock;rock-pop-indie
                                        'filesize'  5022651
                                           'mtime'  1642256333
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 027 (1997) electronic generic or radio unsorted;ifs songwriter indie rock;rock pop indie
                                      'tag_artist'  The Verve
                                     'tag_release'  None
                                       'tag_title'  Bittersweet Symphony
                                             'bpm'  85.525
                                    'search_title'  'bittersweet':1 'symphony':2
                                   'search_artist'  'the':1 'verve':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '1997':3,4 '90s':2 'electronic':5 'generic':6 'ifs':10,12 'indie':14 'or':7 'pop':19 'radio':8 'rock':15,16,17,18 'songwriter':13 'unsorted':9,11
                                    'search_combo'  '00poprockelectronic':5 '1997':7,8 '90s':6 'bittersweet':1A 'electronic':9 'generic':10 'ifs':14,16 'indie':18 'or':11 'pop':23 'radio':12 'rock':19,20,21,22 'songwriter':17 'symphony':2A 'the':3B 'unsorted':13,15 'verve':4B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['indie', '90s', 'alternative', 'britpop', 'rock']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642256333.3413663  (2022-01-15 15:18:53)
                             'size'  5022651