======================== unified (from filesystem) ========================
                                         'bitrate'  '194.083'
                                        'duration'  '240'
                                          'artist'  'Simon & Garfunkel'
                                     'text_people'  ''
                                         'release'  'Old Friends'
                                           'title'  'The Only Living Boy in New Yor'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['acoustic', 'rock', 'singer songwriter', 'folk', 'classic rock']"
                                     'discogstags'  "['pop', 'folk, world, & country', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-folk'
                                             'bpm'  '145.580'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Old Friends'
'TBPM' (BPM (beats per minute))                     '145.580'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-folk'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'The Only Living Boy in New Yor'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Simon & Garfunkel'
'TRCK' (Track number/Position in set)               '16'
'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:discogstags'                                  ['pop', 'folk, world, & country', 'folk']
'TXXX:lastfmtags'                                   ['acoustic', 'rock', 'singer songwriter', 'folk', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.09 dB'
'TXXX:replaygain_track_peak'                        '0.605223'

========================== row from database ==========================
                                              'id'  197974
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Simon and Garfunkel/1997 - Old Friends/Volume 3/Simon & Garfunkel_Old Friends_16_The Only Living Boy In New York.mp3
                                         'working'  None
                                         'bitrate'  194
                                    'duration_sec'  240
                                           'genre'  ifs-songwriter-folk
                                        'filesize'  5830862
                                           'mtime'  1621699784
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos and 1997 Volume 3 Garfunkel_Old Friends_16_The In York ifs songwriter folk
                                      'tag_artist'  Simon & Garfunkel
                                     'tag_release'  Old Friends
                                       'tag_title'  The Only Living Boy in New Yor
                                             'bpm'  145.58
                                    'search_title'  'boy':4 'in':5 'living':3 'new':6 'only':2 'the':1 'yor':7
                                   'search_artist'  'garfunkel':2 'simon':1
                                  'search_release'  'friends':2 'old':1
                                     'search_rest'  '00singer':1 '16':11 '1997':5 '3':7 'and':4 'eos':3 'folk':16 'friends':10 'garfunkel':8 'ifs':15 'in':13 'old':9 'songwriter':2 'the':12 'volume':6 'york':14
                                    'search_combo'  '00singer':12 '16':22 '1997':16 '3':18 'and':15 'boy':4A 'eos':14 'folk':27 'friends':11C,21 'garfunkel':9B,19 'ifs':26 'in':5A,24 'living':3A 'new':6A 'old':10C,20 'only':2A 'simon':8B 'songwriter':13 'the':1A,23 'volume':17 'yor':7A 'york':25
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  1B
                                           '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-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['acoustic', 'rock', 'singer songwriter', 'folk', 'classic rock']
                                        'tag_date'  1997
                                     'discogstags'  ['pop', 'folk, world, & country', 'folk']

============================== file details ==============================
                                           'mtime'  1621699784.3889792  (2021-05-22 18:09:44)
                             'size'  5830862