======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '251'
                                          'artist'  'Meredith Brooks'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Bitch (1997)'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative', 'singer songwriter', 'female vocalists', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;ifs-songwriter-pop;ifs-songwriter-rock'
                                             'bpm'  '128.495'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '128.495'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted',
 'ifs-songwriter-pop',
 'ifs-songwriter-rock']
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Bitch (1997)'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Meredith Brooks'
'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:lastfmtags'                                   ['alternative', 'singer songwriter', 'female vocalists', 'pop', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.08 dB'
'TXXX:replaygain_track_peak'                        '0.498555'

========================== row from database ==========================
                                              'id'  1290778
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/138 - Meredith Brooks - Bitch (1997).mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  251
                                           'genre'  electronic-generic or radio-unsorted;ifs-songwriter-pop;ifs-songwriter-rock
                                        'filesize'  3522491
                                           'mtime'  1642256344
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 138 electronic generic or radio unsorted;ifs songwriter pop;ifs songwriter rock
                                      'tag_artist'  Meredith Brooks
                                     'tag_release'  None
                                       'tag_title'  Bitch (1997)
                                             'bpm'  128.495
                                    'search_title'  '1997':2,3 'bitch':1
                                   'search_artist'  'brooks':2 'meredith':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '138':3 '90s':2 'electronic':4 'generic':5 'ifs':9,11,14,16 'or':6 'pop':13,15 'radio':7 'rock':17 'songwriter':12 'unsorted':8,10
                                    'search_combo'  '00poprockelectronic':6 '138':8 '1997':2A,3A '90s':7 'bitch':1A 'brooks':5B 'electronic':9 'generic':10 'ifs':14,16,19,21 'meredith':4B 'or':11 'pop':18,20 'radio':12 'rock':22 'songwriter':17 'unsorted':13,15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['alternative', 'singer songwriter', 'female vocalists', 'pop', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642256344.3003137  (2022-01-15 15:19:04)
                             'size'  3522491