======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '276'
                                          'artist'  'Joni Mitchell'
                                     'text_people'  ''
                                         'release'  'Night Ride Home'
                                           'title'  "Ray's Dad's Cadillac"
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['acoustic', 'canadian', 'female vocalists', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'soft rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-folk;ifs-songwriter-eos'
                                             'bpm'  '108.124'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Night Ride Home'
'TBPM' (BPM (beats per minute))                     '108.124'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-folk', 'ifs-songwriter-eos']
'TDRC' (Recording time)                             '1991'
'TIT2' (Title/songname/content description)         "Ray's Dad's Cadillac"
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Joni Mitchell'
'TRCK' (Track number/Position in set)               '9'
'TXXX:ITunes_CDDB_IDs'                              '10+68431BC3115B63B2C46EE093BECB4906+438956'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Tempo'                                        '00000 BPM'
'TXXX:Tool'                                         'iTunes v4.7.1.30, QuickTime 6.5.2'
'TXXX:Totaltracks'                                  '10'
'TXXX:Writer'                                       'Joni Mitchell'
'TXXX:discogstags'                                  ['rock', 'soft rock']
'TXXX:lastfmtags'                                   ['acoustic', 'canadian', 'female vocalists', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.35 dB'
'TXXX:replaygain_track_peak'                        '0.654556'

========================== row from database ==========================
                                              'id'  1514121
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Joni Mitchell/1991 - Night Ride Home/09 ray_s dad_s cadillac.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  276
                                           'genre'  ifs-songwriter-folk;ifs-songwriter-eos
                                        'filesize'  6631424
                                           'mtime'  1636400350
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 1991 09 ray_s dad_s cadillac ifs songwriter folk;ifs songwriter eos
                                      'tag_artist'  Joni Mitchell
                                     'tag_release'  Night Ride Home
                                       'tag_title'  Ray's Dad's Cadillac
                                             'bpm'  108.124
                                    'search_title'  'cadillac':7 'dad':4 'dads':6 'ray':1 'rays':3 's':2,5
                                   'search_artist'  'joni':1 'mitchell':2
                                  'search_release'  'home':3 'night':1 'ride':2
                                     'search_rest'  '00singer':1 '1991':4 'cadillac':9 'dad':7 'eos':3 'folk':11,13 'ifs':10,12,14 'ray':5 's':6,8 'songwriter':2
                                    'search_combo'  '00singer':13 '1991':16 'cadillac':7A,21 'dad':4A,19 'dads':6A 'eos':15 'folk':23,25 'home':12C 'ifs':22,24,26 'joni':8B 'mitchell':9B 'night':10C 'ray':1A,17 'rays':3A 'ride':11C 's':2A,5A,18,20 'songwriter':14
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-3', 'q-other-4', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['acoustic', 'canadian', 'female vocalists', 'folk', 'singer songwriter']
                                        'tag_date'  1991
                                     'discogstags'  ['rock', 'soft rock']

============================== file details ==============================
                                           'mtime'  1636400350.2523463  (2021-11-08 20:39:10)
                             'size'  6631424