======================== unified (from filesystem) ========================
                                         'bitrate'  '237.862'
                                        'duration'  '178'
                                          'artist'  'Dope Stars Inc.'
                                     'text_people'  ''
                                         'release'  'Gigahearts'
                                           'title'  'Bang Your Head'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['industrial metal', 'gothic', 'industrial', 'electronic', 'industrial rock']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '120.0'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Lb:Trisol C:TRI293'
'TALB' (Album/Movie/Show title)                     'Gigahearts'
'TBPM' (BPM (beats per minute))                     '120.0'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'Lame 3.90.3'
'TIT2' (Title/songname/content description)         'Bang Your Head'
'TKEY' (Initial key)                                '1A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Dope Stars Inc.'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['industrial metal', 'gothic', 'industrial', 'electronic', 'industrial rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'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'                        '-0.41 dB'
'TXXX:replaygain_track_peak'                        '0.288153'

========================== row from database ==========================
                                              'id'  1390602
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Dope Stars Inc/Dope_Stars_Inc-Gigahearts-2006-FWYH/07_dope_stars_inc-bang_your_head-fwyh.mp3
                                         'working'  None
                                         'bitrate'  237
                                    'duration_sec'  178
                                           'genre'  eid-metal
                                        'filesize'  5312434
                                           'mtime'  1620300573
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal Dope_Stars_Inc 2006 FWYH 07_dope_stars_inc bang_your_head fwyh eid metal
                                      'tag_artist'  Dope Stars Inc.
                                     'tag_release'  Gigahearts
                                       'tag_title'  Bang Your Head
                                             'bpm'  120.0
                                    'search_title'  'bang':1 'head':3 'your':2
                                   'search_artist'  'dope':1 'inc':3,4 'stars':2
                                  'search_release'  'gigahearts':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '07':8 '2006':6 'bang':12 'dope':3,9 'eid':15 'fwyh':7 'head':14 'inc':5,11 'metal':16 'stars':4,10 'your':13
                                    'search_combo'  '00dwimp':9 '00metal':10 '07':16 '2006':14 'bang':1A,20 'dope':4B,11,17 'eid':23 'fwyh':15 'gigahearts':8C 'head':3A,22 'inc':6B,7B,13,19 'metal':24 'stars':5B,12,18 'your':2A,21
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['industrial metal', 'gothic', 'industrial', 'electronic', 'industrial rock']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620300573.4323018  (2021-05-06 13:29:33)
                             'size'  5312434