======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '174'
                                          'artist'  'Silver Jews'
                                     'text_people'  ''
                                         'release'  'Lookout Mountain, Lookout Sea'
                                           'title'  'Party Barge'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'lo fi', 'alt country', 'folk', 'indie rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '10'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '145.580'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000876 000006AE 000038FC 00004864 000245D6 00018CBC 000078D4 00007D90 '
 '00018AE5 00026E0A')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000AEC 000000000075AB84 00000000 005551A3 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '10+6571CFC510B94CB64C14835D00B266DC+10823157'
'TALB' (Album/Movie/Show title)                     'Lookout Mountain, Lookout Sea'
'TBPM' (BPM (beats per minute))                     '145.580'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 'iTunes v7.6.1'
'TIT2' (Title/songname/content description)         'Party Barge'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Silver Jews'
'TRCK' (Track number/Position in set)               '9/10'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'lo fi', 'alt country', 'folk', 'indie rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.14 dB'
'TXXX:replaygain_track_peak'                        '0.488919'

========================== row from database ==========================
                                              'id'  1253032
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Silver Jews/Lookout Mountain, Lookout Sea/Party Barge.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  174
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  5600372
                                           'mtime'  1623444737
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos ifs songwriter indie rock
                                      'tag_artist'  Silver Jews
                                     'tag_release'  Lookout Mountain, Lookout Sea
                                       'tag_title'  Party Barge
                                             'bpm'  145.58
                                    'search_title'  'barge':2 'party':1
                                   'search_artist'  'jews':2 'silver':1
                                  'search_release'  'lookout':1 'mountain':2,3 'sea':4
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'indie':5 'rock':6 'songwriter':2
                                    'search_combo'  '00singer':9 'barge':2A 'eos':11 'ifs':12 'indie':13 'jews':4B 'lookout':5C 'mountain':6C,7C 'party':1A 'rock':14 'sea':8C 'silver':3B 'songwriter':10
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'lo fi', 'alt country', 'folk', 'indie rock']
                                        'tag_date'  2008
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1623444736.8028312  (2021-06-11 22:52:16)
                             'size'  5600372