======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '273'
                                          'artist'  'Alix Olson'
                                     'text_people'  ''
                                         'release'  'Built Like That'
                                           'title'  'I Believe'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['spoken word', 'slam poetry', 'folk poet', 'queer', 'folk', 'singer "
 "songwriter']")
                                     'discogstags'  "['non-music', 'poetry']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '22'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos;ifs-songwriter-folk'
                                             'bpm'  '86.994'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Built Like That'
'TBPM' (BPM (beats per minute))                     '86.994'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-eos', 'ifs-songwriter-folk']
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'I Believe'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Alix Olson'
'TRCK' (Track number/Position in set)               '22'
'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'                                  ['non-music', 'poetry']
'TXXX:lastfmtags'                                   ['spoken word',
 'slam poetry',
 'folk poet',
 'queer',
 'folk',
 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.82 dB'
'TXXX:replaygain_track_peak'                        '0.384996'

========================== row from database ==========================
                                              'id'  196900
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Alix Olson/Alix Olson- Built Like That/22 i believe.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  273
                                           'genre'  ifs-songwriter-eos;ifs-songwriter-folk
                                        'filesize'  5480609
                                           'mtime'  1637330480
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 22 believe ifs songwriter eos;ifs songwriter folk
                                      'tag_artist'  Alix Olson
                                     'tag_release'  Built Like That
                                       'tag_title'  I Believe
                                             'bpm'  86.994
                                    'search_title'  'believe':2 'i':1
                                   'search_artist'  'alix':1 'olson':2
                                  'search_release'  'built':1 'like':2 'that':3
                                     'search_rest'  '00singer':1 '22':4 'believe':5 'eos':3,7,9 'folk':11 'ifs':6,8,10 'songwriter':2
                                    'search_combo'  '00singer':8 '22':11 'alix':3B 'believe':2A,12 'built':5C 'eos':10,14,16 'folk':18 'i':1A 'ifs':13,15,17 'like':6C 'olson':4B 'songwriter':9 'that':7C
                                    'tag_tracknum'  22
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['spoken word', 'slam poetry', 'folk poet', 'queer', 'folk', 'singer songwriter']
                                        'tag_date'  2001
                                     'discogstags'  ['non-music', 'poetry']

============================== file details ==============================
                                           'mtime'  1637330479.6842926  (2021-11-19 15:01:19)
                             'size'  5480609