======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '183'
                                          'artist'  'Lisa Loeb'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Stay'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'alternative', 'female vocalists', 'pop', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  ('electronic-generic or '
 'radio-unsorted;ifs-songwriter-indie-unsorted;ifs-songwriter-pop;set-pl-billboard')
                                             'bpm'  '107.322'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '107.322'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted',
 'ifs-songwriter-indie-unsorted',
 'ifs-songwriter-pop',
 'set-pl-billboard']
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Stay'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Lisa Loeb'
'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'                                   ['indie', 'alternative', 'female vocalists', 'pop', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.01 dB'
'TXXX:replaygain_track_peak'                        '0.493063'
'TXXX:tracknum'                                     '108'

========================== row from database ==========================
                                              'id'  1316625
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/108 - Lisa Loeb - Stay (1994).mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  183
                                           'genre'  electronic-generic or radio-unsorted;ifs-songwriter-indie-unsorted;ifs-songwriter-pop;set-pl-billboard
                                        'filesize'  2574925
                                           'mtime'  1642256344
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 108 (1994) electronic generic or radio unsorted;ifs songwriter indie unsorted;ifs songwriter pop;set pl billboard
                                      'tag_artist'  Lisa Loeb
                                     'tag_release'  None
                                       'tag_title'  Stay
                                             'bpm'  107.322
                                    'search_title'  'stay':1
                                   'search_artist'  'lisa':1 'loeb':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '108':3 '1994':4,5 '90s':2 'billboard':21 'electronic':6 'generic':7 'ifs':11,13 'indie':15 'or':8 'pl':20 'pop':16,18 'radio':9 'set':17,19 'songwriter':14 'unsorted':10,12
                                    'search_combo'  '00poprockelectronic':4 '108':6 '1994':7,8 '90s':5 'billboard':24 'electronic':9 'generic':10 'ifs':14,16 'indie':18 'lisa':2B 'loeb':3B 'or':11 'pl':23 'pop':19,21 'radio':12 'set':20,22 'songwriter':17 'stay':1A 'unsorted':13,15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['indie', 'alternative', 'female vocalists', 'pop', 'singer songwriter']
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642256344.2030354  (2022-01-15 15:19:04)
                             'size'  2574925