======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '436'
                                          'artist'  'Songs: Ohia'
                                     'text_people'  ''
                                         'release'  'The Lioness'
                                           'title'  'The Black Crow'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', '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-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alt country', 'indie rock', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'folk rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-folk;ifs-songwriter-indie-pop'
                                             'bpm'  '129.2'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Lioness'
'TBPM' (BPM (beats per minute))                     '129.2'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-folk', 'ifs-songwriter-indie-pop']
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'The Black Crow'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Songs: Ohia'
'TRCK' (Track number/Position in set)               '1'
'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', 'folk rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'alt country', 'indie rock', 'folk', 'singer songwriter']
'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'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.33 dB'
'TXXX:replaygain_track_peak'                        '0.529930'

========================== row from database ==========================
                                              'id'  1250283
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Songs: Ohia - Songs Ohia/The Lioness/01 Songs Ohia - The Black Crow.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  436
                                           'genre'  ifs-songwriter-folk;ifs-songwriter-indie-pop
                                        'filesize'  10473369
                                           'mtime'  1636400659
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 01 ifs songwriter folk;ifs songwriter indie pop
                                      'tag_artist'  Songs: Ohia
                                     'tag_release'  The Lioness
                                       'tag_title'  The Black Crow
                                             'bpm'  129.2
                                    'search_title'  'black':2 'crow':3 'the':1
                                   'search_artist'  'ohia':3 'songs':1,2
                                  'search_release'  'lioness':2 'the':1
                                     'search_rest'  '00singer':1 'eos':3 'folk':5,7 'ifs':4,6,8 'indie':9 'pop':10 'songwriter':2
                                    'search_combo'  '00singer':9 'black':2A 'crow':3A 'eos':11 'folk':13,15 'ifs':12,14,16 'indie':17 'lioness':8C 'ohia':6B 'pop':18 'songs':4B,5B 'songwriter':10 'the':1A,7C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alt country', 'indie rock', 'folk', 'singer songwriter']
                                        'tag_date'  2000
                                     'discogstags'  ['rock', 'folk rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1636400658.6862314  (2021-11-08 20:44:18)
                             'size'  10473369