======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '145'
                                          'artist'  'The Corrs'
                                     'text_people'  ''
                                         'release'  'In Blue'
                                           'title'  'Judy (Bonus Track)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-LOCALNESS-2', "
 "'Q-HHRNBTT-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-3', 'q-drums-2', 'q-other-3', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['celtic', 'irish', 'female vocalists', 'folk', 'pop']"
                                     'discogstags'  "['rock', 'pop', 'soft rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-pop;loc-eur'
                                             'bpm'  '114.285'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'In Blue'
'TBPM' (BPM (beats per minute))                     '114.285'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-pop', 'loc-eur']
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Judy (Bonus Track)'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Corrs'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'pop', 'soft rock', 'pop rock']
'TXXX:lastfmtags'                                   ['celtic', 'irish', 'female vocalists', 'folk', 'pop']
'TXXX:original release date'                        ['2000', '2000']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.84 dB'
'TXXX:replaygain_track_peak'                        '0.425174'

========================== row from database ==========================
                                              'id'  1342731
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Corrs/In Blue/The Corrs - In Blue - 16 - Judy (Bonus Track).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  145
                                           'genre'  ifs-songwriter-pop;loc-eur
                                        'filesize'  4673190
                                           'mtime'  1622759581
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 16 ifs songwriter pop;loc eur
                                      'tag_artist'  The Corrs
                                     'tag_release'  In Blue
                                       'tag_title'  Judy (Bonus Track)
                                             'bpm'  114.285
                                    'search_title'  'bonus':2,3 'judy':1 'track':4,5
                                   'search_artist'  'corrs':2 'the':1
                                  'search_release'  'blue':2 'in':1
                                     'search_rest'  '00poprockelectronic':1 'eur':8 'ifs':2 'loc':5,7 'pop':4,6 'songwriter':3
                                    'search_combo'  '00poprockelectronic':10 'blue':9C 'bonus':2A,3A 'corrs':7B 'eur':17 'ifs':11 'in':8C 'judy':1A 'loc':14,16 'pop':13,15 'songwriter':12 'the':6B 'track':4A,5A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['celtic', 'irish', 'female vocalists', 'folk', 'pop']
                                        'tag_date'  2000
                                     'discogstags'  ['rock', 'pop', 'soft rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1622759580.8255215  (2021-06-04 00:33:00)
                             'size'  4673190