======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '245'
                                          'artist'  'Ben Kweller'
                                     'text_people'  'Ben Kweller'
                                         'release'  'On My Way'
                                           'title'  'Living Life'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-vocals-3', 'q-mixbeat-1', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['indie', 'indie pop', 'alternative', 'indie rock', 'singer songwriter']"
                                     'discogstags'  "['rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '135.004'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'On My Way'
'TBPM' (BPM (beats per minute))                     '135.004'
'TCOM' (Composer)                                   'Ben Kweller'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Living Life'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Ben Kweller'
'TPE2' (Band/orchestra/accompaniment)               'Ben Kweller'
'TPUB' (Publisher)                                  'ATO'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'alternative', 'indie rock', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.45 dB'
'TXXX:replaygain_track_peak'                        '0.474199'

========================== row from database ==========================
                                              'id'  1265287
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Ben Kweller/On My Way/07 living life.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  245
                                           'genre'  ifs-songwriter
                                        'filesize'  5898542
                                           'mtime'  1637330779
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 07 living life ifs songwriter
                                      'tag_artist'  Ben Kweller
                                     'tag_release'  On My Way
                                       'tag_title'  Living Life
                                             'bpm'  135.004
                                    'search_title'  'life':2 'living':1
                                   'search_artist'  'ben':1 'kweller':2
                                  'search_release'  'my':2 'on':1 'way':3
                                     'search_rest'  '00singer':1 'eos':3 'ifs':6 'life':5 'living':4 'songwriter':2
                                    'search_combo'  '00singer':8 'ben':3B 'eos':10 'ifs':13 'kweller':4B 'life':2A,12 'living':1A,11 'my':6C 'on':5C 'songwriter':9 'way':7C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'alternative', 'indie rock', 'singer songwriter']
                                        'tag_date'  2004
                                     'discogstags'  ['rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1637330779.0640798  (2021-11-19 15:06:19)
                             'size'  5898542