======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '225'
                                          'artist'  'Melissa Etheridge'
                                     'text_people'  ''
                                         'release'  'Melissa Etheridge'
                                           'title'  'I Want You'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['female vocalist', 'singer songwriter', 'female vocalists', 'folk', 'rock']"
                                     'discogstags'  "['rock', 'acoustic', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1988'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter;ifs-songwriter-folk;ifs-songwriter-rock;set-pl-billboard'
                                             'bpm'  '105.094'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Melissa Etheridge'
'TBPM' (BPM (beats per minute))                     '105.094'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter',
 'ifs-songwriter-folk',
 'ifs-songwriter-rock',
 'set-pl-billboard']
'TDRC' (Recording time)                             '1988'
'TIT2' (Title/songname/content description)         'I Want You'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Melissa Etheridge'
'TRCK' (Track number/Position in set)               '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', 'acoustic', 'pop rock']
'TXXX:lastfmtags'                                   ['female vocalist', 'singer songwriter', 'female vocalists', 'folk', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.77 dB'
'TXXX:replaygain_track_peak'                        '0.646088'

========================== row from database ==========================
                                              'id'  1329642
                                            'path'  /data/Music/Bulk/00poprockelectronic/album top 1000/0236 Melissa Etheridge - Melissa Etheridge/Melissa Etheridge-10-I Want You.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  225
                                           'genre'  ifs-songwriter;ifs-songwriter-folk;ifs-songwriter-rock;set-pl-billboard
                                        'filesize'  5408317
                                           'mtime'  1637330501
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic album top 1000 0236 10 ifs songwriter;ifs songwriter folk;ifs songwriter rock;set pl billboard
                                      'tag_artist'  Melissa Etheridge
                                     'tag_release'  Melissa Etheridge
                                       'tag_title'  I Want You
                                             'bpm'  105.094
                                    'search_title'  'i':1 'want':2 'you':3
                                   'search_artist'  'etheridge':2 'melissa':1
                                  'search_release'  'etheridge':2 'melissa':1
                                     'search_rest'  '00poprockelectronic':1 '0236':5 '1000':4 'album':2 'billboard':21 'folk':12,14 'ifs':6,8,10,13,15 'pl':20 'rock':16,18 'set':17,19 'songwriter':7,9,11 'top':3
                                    'search_combo'  '00poprockelectronic':8 '0236':12 '1000':11 'album':9 'billboard':28 'etheridge':5B,7C 'folk':19,21 'i':1A 'ifs':13,15,17,20,22 'melissa':4B,6C 'pl':27 'rock':23,25 'set':24,26 'songwriter':14,16,18 'top':10 'want':2A 'you':3A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  8A
                                           '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-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['female vocalist', 'singer songwriter', 'female vocalists', 'folk', 'rock']
                                        'tag_date'  1988
                                     'discogstags'  ['rock', 'acoustic', 'pop rock']

============================== file details ==============================
                                           'mtime'  1637330501.325761  (2021-11-19 15:01:41)
                             'size'  5408317