======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '302'
                                          'artist'  'Texas'
                                     'text_people'  ''
                                         'release'  "Now That's What I Call Power Ballads"
                                           'title'  "I Don't Want a Lover"
                                           'quals'  ("['Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'q-syn-3', 'q-bass-3', '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-3']")
                                      'lastfmtags'  "['90s', 'female vocalists', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '120.256'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Comedy133'
'COMM:ID3v1 Comment:XXX'                            'Comedy133'
'TALB' (Album/Movie/Show title)                     "Now That's What I Call Power Ballads"
'TBPM' (BPM (beats per minute))                     '120.256'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         "I Don't Want a Lover"
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Texas'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Now!'
'TRCK' (Track number/Position in set)               '18'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Year'                                         '2015'
'TXXX:lastfmtags'                                   ['90s', 'female vocalists', 'pop', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.03 dB'
'TXXX:replaygain_track_peak'                        '0.425808'

========================== row from database ==========================
                                              'id'  1505578
                                            'path'  /data/Music/Bulk/00poprockelectronic/set/18 - I Don_t Want a Lover - Texas.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  302
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  12178025
                                           'mtime'  1620573847
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic set 18 Don_t electronic generic or radio dance
                                      'tag_artist'  Texas
                                     'tag_release'  Now That's What I Call Power Ballads
                                       'tag_title'  I Don't Want a Lover
                                             'bpm'  120.256
                                    'search_title'  'a':6 'don':2 'dont':4 'i':1 'lover':7 't':3 'want':5
                                   'search_artist'  'texas':1
                                  'search_release'  'ballads':9 'call':7 'i':6 'now':1 'power':8 's':3 'that':2 'thats':4 'what':5
                                     'search_rest'  '00poprockelectronic':1 '18':3 'dance':10 'don':4 'electronic':6 'generic':7 'or':8 'radio':9 'set':2 't':5
                                    'search_combo'  '00poprockelectronic':18 '18':20 'a':6A 'ballads':17C 'call':15C 'dance':27 'don':2A,21 'dont':4A 'electronic':23 'generic':24 'i':1A,14C 'lover':7A 'now':9C 'or':25 'power':16C 'radio':26 's':11C 'set':19 't':3A,22 'texas':8B 'that':10C 'thats':12C 'want':5A 'what':13C
                                    'tag_tracknum'  18
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-3', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['90s', 'female vocalists', 'pop', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573846.7196267  (2021-05-09 17:24:06)
                             'size'  12178025