======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '316'
                                          'artist'  'Richard Marx'
                                     'text_people'  ''
                                         'release'  'Greatest Hits'
                                           'title'  'Hazard'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'soft rock', 'rock', 'pop', 'singer songwriter']"
                                     'discogstags'  "['rock', 'pop', 'soft rock', 'pop rock', 'ballad']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'rock-pop-soft'
                                             'bpm'  '124.775'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Greatest Hits'
'TBPM' (BPM (beats per minute))                     '124.775'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-soft'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Hazard'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Richard Marx'
'TPE2' (Band/orchestra/accompaniment)               'Richard Marx'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'pop', 'soft rock', 'pop rock', 'ballad']
'TXXX:lastfmtags'                                   ['80s', 'soft rock', 'rock', 'pop', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.61 dB'
'TXXX:replaygain_track_peak'                        '0.545423'

========================== row from database ==========================
                                              'id'  1277495
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Richard Marx/Richard Marx__MBZ;#Richard Marx;#Greatest Hits;#11;#Hazard.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  316
                                           'genre'  rock-pop-soft
                                        'filesize'  7604820
                                           'mtime'  1620736310
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul Marx__MBZ;#Richard Marx;#Greatest Hits;#11;#Hazard rock pop soft
                                      'tag_artist'  Richard Marx
                                     'tag_release'  Greatest Hits
                                       'tag_title'  Hazard
                                             'bpm'  124.775
                                    'search_title'  'hazard':1
                                   'search_artist'  'marx':2 'richard':1
                                  'search_release'  'greatest':1 'hits':2
                                     'search_rest'  '11':15,18 'funk':2 'greatest':11,13 'hazard':16,19 'hits':14,17 'marx':4,7,10,12 'mbz':5,8 'pop':21 'richard':6,9 'rock':20 'soft':22 'soul':3 'swing':1
                                    'search_combo'  '11':20,23 'funk':7 'greatest':4C,16,18 'hazard':1A,21,24 'hits':5C,19,22 'marx':3B,9,12,15,17 'mbz':10,13 'pop':26 'richard':2B,11,14 'rock':25 'soft':27 'soul':8 'swing':6
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'soft rock', 'rock', 'pop', 'singer songwriter']
                                        'tag_date'  2000
                                     'discogstags'  ['rock', 'pop', 'soft rock', 'pop rock', 'ballad']

============================== file details ==============================
                                           'mtime'  1620736310.4136202  (2021-05-11 14:31:50)
                             'size'  7604820